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77results about How to "Improve visual impact" patented technology

System and method for designing a communications network

A computer-implemented method is disclosed for creating a Distributed Antenna Network for use in designing a wireless communications network. The method includes interconnecting on a design screen canvas at least one selected component, from a components database stored in a computer system, with at least one defined signal source system. The signal source system has a source of signal and a plurality of specified system parameters. A method of designing wireless network, a computer readable medium, a computer system and a method of generating an equipment list report for use in a building-based network are also disclosed.
Owner:IBWAVE SOLUTIONS

Virtual digital imaging and method of using the same in real estate

The present invention concerns an all-inclusive virtual tour website that features virtual tours of real estate properties. The present invention further concerns methods for allowing real estate related businesses to advertise on the website while complying with applicable guidelines. The present invention further allows various product and service vendors to advertise on the website. The present invention also provides information about various neighborhoods, civic, and other important information to potential home buyers. The present invention also contemplates lead generation services, such as generating loan application information, which may then be provided to lending institutions for bidding or sale. The present inventor also concerns related software, business methods, and Internet websites, platforms or other portals.
Owner:TOTAL INTPROP PROTECTIVE SERVICES

Combined multifunctional advertisement device

The invention relates to a combined multifunctional advertisement device. The combined multifunctional advertisement device comprises a multifunctional advertisement board device and a multifunctional advertisement lamp box device. A light shield and a light-emitting diode (LED) display screen are fixedly arranged on a frame casing. The LED display screen dynamically displays received text information transmitted by a remote device and carries out random display of time and real-time temperature. A wireless sensing transmitter senses a human body and then transmits a human body induction signal for triggering voice broadcasting. The multifunctional advertisement lamp box device comprises an advertisement lamp box casing and a movable frame arranged on the advertisement lamp box casing, and a movable frame locator card is located on the lamp box casing, and the movable frame and the lamp box casing are movably connected. A projecting card strip is fixedly arranged in an inner side of the movable frame, an advertisement lamp sheet which can be changed at any time is arranged at an inner side of the projecting card strip. A light controller respectively controls an electronically controlled mobile spotlight to movably irradiate light beams from different angles, and stroboscopic high-light bank lights respectively flash one by one; an animation laser light movably irradiates light of words, signs and patterns; a high brightness projector projects rich and colorful dynamic images, and a dynamic-static integrated effect of images effectively improves an audience arrival rate.
Owner:徐咏棠

Method and system for realizing quick links in mobile terminal browser

The invention discloses a method and system for realizing quick links in a mobile terminal browser. The method comprises the following steps of: dividing some area as a quick link area from a display interface of the mobile terminal browser, and splitting screen in the quick link area, wherein the quick link area is used for displaying the quick links in the mobile terminal browser with multiple screens; by the mobile terminal browser, when obtaining a quick link adding indication of a user, extracting the title and / or the website of the quick links in the quick link adding indication, photographing the current page corresponding to the title and / or the website, processing the photographed picture into a thumbnail according to constant proportion; and by the mobile terminal browser, storing the thumbnail and the title and / or the website of corresponding quick link, and placing the thumbnail in a blank quick link box of the quick link area for display. With the method and the system, the problems of single form of hot links, limited number of hot links and large occupation of interface space of the existing mobile terminal browser are solved.
Owner:深圳市雅阅科技有限公司

Method for generating non-uniform resolution spherical panoramic graph

The invention discloses a method for generating a non-uniform resolution spherical panoramic graph. A new ball journal and a new cutting line are selected and thus a focus central point is located at a center of a picture, so that intersection of a focused area and an expended picture boundary can be avoided and thus later-stage compression processing can be carried out conveniently. According to the invention, an image is compressed in a divided block mode, so that the data volume is reduced and storage and transport become convenient; and the compressed image is expanded again to obtain a non-uniform resolution spherical panoramic graph, so that an observer can identify core scenery and thus the visual impact of the core scenery of the image is enhanced.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Translation combined large-scale electronic advertising equipment

The invention relates to translation combined large-scale electronic advertising equipment, and belongs to the technical field of electronic advertising equipment. The translation combined large-scale electronic advertising equipment comprises a supporting frame, wherein longitudinal guide rails are symmetrically arranged on the two sides of the supporting frame, the portion between the longitudinal guide rails is at least provided with a transverse guide rail, a motor driving translation device is arranged on the transverse guide rail and comprises a fixed plate, a motor and a synchronous pulley, the motor is fixedly connected with the fixed plate, and the synchronous pulley is connected with the motor. An electronic display screen is fixedly arranged on the fixed plate, the synchronous pulley is meshed with a synchronous belt arranged on the transverse guide rail, and the motor and the electronic display screen are connected with an image input control system. The equipment not only overcomes the defects that an existing small electronic advertising screen is small in display area and short of visual impact but also overcomes the defects that an existing large-scale electronic advertising display screen is large in area, short of autokinetic effects and stiff in frame.
Owner:HANGZHOU EVERLONG BIOTECHNICS

Output unit of a refrigeration device, refrigeration device and method for installing a refrigeration device

An output unit of a refrigeration device having a niche with a rear wall, which is provided with a cover, and a method of installing the output unit. The cover includes a dish-shaped section, which is curved inward into the niche and bounded by opposite edge sections, which are connected with a niche frame. In an exemplary embodiment of the invention, the edge sections at front supporting surfaces of the niche frame are held in contact in an installation end position, wherein the dish-shaped section is pulled by fastening means against the rear wall of the niche. By these means, it is ensured that the narrowest or most uniform gap possible between the cover and the place of installation is guaranteed and, in addition, fastening means are not visible to the user.
Owner:BSH BOSCH & SIEMENS HAUSGERAETE GMBH

Naked-eye 3D display module for games and preparation method of naked-eye 3D display module

The invention relaters to a naked-eye 3D display module for games and a preparation method of the naked-eye 3D display module. The naked-eye 3D display module for games comprises a piece of grating glass and a liquid crystal layer; the liquid crystal layer is a piece of liquid crystal glass, the grating glass comprises a naked-eye 3D imaging material and a piece of optical super white glass which are attached by an optical adhesive layer; oriental attaching to locating points on the grating glass and the liquid crystal glass is performed by a high-definition camera. According to the naked-eye 3D display module for games and the preparation method of the naked-eye 3D display module, oriental attaching to locating points on the grating glass and the liquid crystal glass is performed by the high-definition camera, the alignment accuracy and the consistency are increased, and the production efficiency is improved to a great extent; the liquid crystal glass but not a liquid crystal display is adopted, so that full contact of the grating glass and the liquid crystal glass can be realized, the grating glass is directly attached to the liquid crystal glass by an attaching technology, and the flatness of the display module is improved greatly.
Owner:HENAN SANYANG PHOTONICS

Advertisement delivery method for expressway tunnel

The invention discloses an advertisement delivery method for an expressway tunnel, which is characterized by comprises the following steps: setting one or more machine positions to mount projection equipment at appropriate positions according to the effect needed by advertisements in the expressway tunnel; and taking the wall of the tunnel and the road surface of the tunnel as projection screens to deliver one or more dynamic or static advertisement pictures. The method has the advantages that the method develops the internal space of the expressway tunnel to deliver advertisement information, and obtains direct economic benefit when the similar effect of special lamplight zones is obtained.
Owner:朱展辉

Dispensing machine

A dispensing machine for dispensing items to customers comprising a cabinet having at least one window, a plurality of supports for supporting a plurality of different items to be dispensed to customers, a pointing device for selecting a desired item from the plurality of items, an indicator associated with the pointing device and operable to provide an indication, visible through the window, of which item is being selected by the pointing device without dispensing said selected item, and a dispensing mechanism for dispensing the selected item in response to a dispensing instruction.
Owner:LAVAZZA PROFESSIONAL NORTH AMERICA LLC

Smart television breathing lamp effect achieving method and device

The invention relates to the field of smart televisions and provides a smart television breathing lamp effect achieving method and device for strengthening visual impact of a smart television man-machine interaction feedback mode. The achieving method comprises the steps of 1 initializing application program and establishing an interface object; 2 judging whether the interface object needs the breathing lamp effect or not, establishing and binding breathing lamp effect rendering class, and after establishing and binding, performing the step 3 if a judgment result is yes, and performing the step 4 if the judgment result is no; 3 invoking the breathing lamp effect rendering class to draw, render and display animations when the interface object obtains a focal point, and stopping displaying of the breathing lamp effect when the interface object loses the focal point; 4 releasing interface object resources. By means of the smart television breathing lamp effect achieving method and device, the problem of 'focal point loss' in the operation process of a user can be solved, and the user experience can be strengthened.
Owner:SICHUAN CHANGHONG ELECTRIC CO LTD

Multiple metal color anti-counterfeiting aluminum foil sealing gasket and preparation method thereof

The invention belongs to the technical field of packaging materials and particularly relates to a multiple metal color anti-counterfeiting aluminum foil sealing gasket and a preparation method thereof. The multiple metal color anti-counterfeiting aluminum foil sealing gasket is formed by sequentially connecting a mold imaging layer, a color printing layer, a holographic information layer, an aluminizing layer, a medium layer, an induction layer, an EVA adhesive layer and a sealing layer from outside to inside. The preparation method comprises the steps of mold imaging layer coating, designing, gravure mold pressing, aluminizing, composite transferring and sealing layer compositing, so that the sealing gasket is obtained. A gravure and mold pressing integrated method is adopted so that a multiple metal color holographic graphic anti-counterfeiting technology is realized on a same layer, and the visual impact and the anti-counterfeiting intensity are enhanced; a consumer can check and distinguish the sealing gasket easily, all anti-counterfeiting characteristics can be implemented and checked, a site inspection function can be realized, and simultaneously the unfulfillable non-transferability of an anti-counterfeiting mark is realized; an environment-friendly material is composited for manufacturing the anti-counterfeiting aluminum foil sealing gasket, so that the environment protection function is improved.
Owner:SHANDONG TAIBAO PREVENTING COUNTERFEIT

Noodle leisure pills and making method thereof

The invention discloses noodle leisure pills and a making method thereof. The leisure pills are prepared from the following raw materials in percentage by weight: 50%-70% of broken instant noodles, 10%-40% of auxiliary materials and 10%-40% of a liquid adhesive. According to the noodle leisure pills disclosed by the invention, the broken instant noodles with excellent crispness are selected as the raw materials, so that improvement of the crispness of finished products of the leisure pills is basically guaranteed; components and weight ratios of the liquid adhesive are optimized and controlled, so that the crispness and the firmness of the finished products of the leisure pills are optimally balanced; actual auxiliary materials of almonds, desiccated coconuts and the like are added and combined, so that the flavor of the finished products of the leisure pills is well promoted, and a material incentive is given to consumers; the visual impact force of products is improved, and the value of the products is increased; the length of the broken noodles is optimized to be 1-2 cm, so that the situation that the gaps of the finished products of the leisure pills are too big or too small can be effectively avoided, the phenomenon that the finished products of the leisure pills are not liable to cohere or the crispness is poor can be effectively avoided, and the quality of the finished products of the leisure pills is improved.
Owner:UNI PRESIDENT ENTERPRISES CHINA INVESTMENT CO LTD KUNSHAN RES & DEV CENT +1

Garment with patterns and making method of garment

The invention provides a making method for a garment with patterns. The method comprises the following steps of: a) thermally pressing and fixing patterned original cloth and adhesive to obtain adhered cloth sequentially comprising a cloth layer and an adhesive layer; b) cutting the adhered cloth in a pattern shape by adopting laser cutting to obtain patterned adhered cloth; c) aligning and adhering the patterned adhered cloth and a cut piece, making the adhesive layer of the patterned adhered cloth contacted with the cut cloth, and thermally pressing and fixing the adhered patterned adhered cloth and cut piece to obtain a patterned cut piece; and d) sewing the patterned cut piece and other cut pieces to obtain the garment with patterns. According to the garment prepared by the method, the cut pieces do not need to be dyed, so the dye content of the cloth is greatly reduced, and the threat of the dye to human health is reduced. Moreover, the patterns prepared by the method are protruded out of the cut pieces, so the garment has three-dimensional layer sense and dynamic sense, brings higher visual impact to customers, and is particularly suitable to be used as a sports garment.
Owner:XIAMEN ANTA SPORTS GOODS CO LTD

Simulation cockpit for flight training

The invention relates to the technical field of flight training equipment, and discloses a simulation cockpit for flight training. The simulation cockpit comprises a bottom plate, an operation assembly is arranged at the top of the bottom plate, an action assembly is arranged on the surface of the operation assembly, and a driving assembly is arranged at the top of the action assembly. The operation assembly comprises a landing ring movably mounted at the top of the bottom plate, and a gear ring is movably mounted at the top of the bottom plate. According to the simulation cockpit for flight training, a driving motor, a driving gear, the gear ring,a middle shaft sleeve and a central telescopic rod are matched to enable the cockpit body to rotate around the middle shaft sleeve, so that centrifugal circumferential simulation motion is provided, in the rotating process of the cockpit body, the two adjusting telescopic rods are used for providing head raising, take-off and landing lamp actions for the cockpit body, and during landing, landing wheels enter annular grooves, so that the cockpit body really experiences a landing feeling, the real feeling of simulation actions is comprehensively improved, and the training effect is effectively improved.
Owner:SHANGHAI ZHONGFANG COMP TECH

Security paper, manufacturing method and security document obtained with said paper

The invention consists in a security paper, as well as the security document obtained with it and the manufacturing process thereof, that combines the security elements called windowed thread with the high contrast single-tone watermark technique. In order to carry out this invention, we make use of the recesses created to cover the thread in the areas where it is visible, which exhibit a greater accumulation of fibers and are therefore opaque areas in the final paper, to insert therein the electrotype or high contrast single-tone watermarks.
Owner:FAB NACIONAL DE MONEDA Y TIMBRE REAL CASA DE LA MONEDA

Battery box structure of electric bicycle

The invention discloses a battery box structure of an electric bicycle. The battery box structure comprises a frame lower tube, wherein a battery box is placed in the frame lower tube, the front end of the battery box is connected with a spring, the spring is fixed at the front end inside the frame lower tube through a spring fixing plate, the battery box is fixed at the tail end inside the frame lower tube through a screw, the rear end of the battery box is also closely connected with a controller through a screw, a controller fixing plate is sheathed on the controller, and a plurality of pieces of foam which play a role of damping are pasted on a shell of the battery box. The battery box structure adopts a rear battery structure, and the frame lower tube inclines upwards so as to prevent rainwater from pouring into a frame from the front part and protect an internal electrical system to the maximum extent. A battery is convenient to disassemble, and can be easily replaced by only opening a rear end cover; graceful lines are formed by the overall radian of the battery box structure so as to increase the visual impact; and the design is fully integrated with human mechanics concepts, and the radian of the whole vehicle accords with human engineering.
Owner:SUZHOU JOYDEER E BICYCLE

Transmission device

InactiveCN105090419AImprove visual impactEnhance the appearance of beautyGearingCrankGear wheel
The invention provides a transmission device. The technical problem that the structural style of a transmission device is prone to cause aesthetic fatigue in the prior art is solved. The transmission device structurally comprises supports, a main base, spindle supporting bearing pedestals, gears, spindle sliding block guide bases, racks, crankshaft bearing supporting bases, connecting rods, crank arms, crankshaft supporting axis bearings, a spindle, a crankshaft, spindle sliding blocks, gear stop blocks, rack guide groove pressing strips, rack sliding guide grooves and sliding block returning springs. The main base is in fastened connection with the supports. The crankshaft bearing supporting bases are in fastened connection with the main base. The two ends and the middle of the crankshaft are mounted on the crankshaft bearing supporting bases through the crankshaft supporting axis bearings respectively. One end of each connecting rod is hinged to the corresponding crank arm. The other end of each connecting rod is hinged to the corresponding rack. The racks are installed in the rack sliding guide grooves in the main base. The racks are pressed by the rack guide groove pressing strips, the racks are made to drive the connecting rods to slide forwards and backwards respectively, and thus the crank arms are pushed to drive the crankshaft to rotate. According to the transmission device, the external aesthetic feeling and the visual impact effect of the mechanical device are enhanced.
Owner:黄一峰

Preparation method of bottled primary-taste ready-to-eat trepang

The invention discloses a preparation method of bottled primary-taste ready-to-eat trepan, and belongs to the field of food processing. The bottled primary-taste ready-to-eat trepan processed by the method has the characteristics that 1, the appearance is simple and generous, the intuition is high, the visual impact is large, and the appetite can be increased; 2, impurities and foreign flavor do not appear, the taste is soft and tough and chewy, the application of nourishing and cooking is better; 3, a preservative and an additive are not added; 4, a high-purity crystal glass bottle is used for packing, thus the bottled primary-taste ready-to-eat trepan is transparent and sanitary, and the release of a plasticizer and other harmful substances can be avoided; and 5, the processes of boiling and sterilizing are gradually carried out twice after covering, so that loss of the trepan nutrient can be avoided, more pathogenic bacterium can be terminated, and the taste of trepan is remained.
Owner:DALIAN AIDONG AQUATIC FOOD CO LTD

Cultivation method for large landscape tree

The invention provides a cultivation method for a large landscape tree. The cultivation method includes the steps that a, platanuses or Chinese ashes which are high in growth speed and branching capacity and resistant to trimming are selected as modeling trees; b, 6-8 plants of plantanuses or Chinese ashes are evenly planted on the circumference of which the diameter is 100 cm-150 cm, then stumping is performed at the position 10 cm away from the ground, two robust branches grown in the circumferential direction are selected for key cultivation after sprouting, other branches are removed in time, and when the branches for key cultivation grow to 100 cm-150 cm, approach grafting is ready to be performed for the first time; c, according to approach grafting, approach grafting is performed on the two opposite branches in the circumferential direction for the first time at the position 50 cm away from the ground, and then when the remaining branches after approach grafting is performed for the first time grow again to 100 cm-150 cm, approach grafting is ready to be performed for the second time; d, approach grafting is performed on the two remaining opposite branches for the second time in the direction opposite to the circumferential direction at the position 100 cm away from the ground after approach grafting is performed for the first time, and when the remaining branches after approach grafting is performed for the second time grow again to 100 cm-150 cm, approach grafting is ready to be performed for the third time, in this way, six times of approach grafting are repeatedly performed, and the large modeled landscape tree of which the diameter is 100 cm-150 cm and the height is larger than 300 cm can be obtained after a period of cultivation. The cultivation method for the large landscape tree is high in speed, strong in modeling artistic feeling and high in practicability.
Owner:XUCHANG HUADU GARDEN ENG

Screen capturing method and device

The invention discloses a screen capturing method and device. The method comprises the following steps that when a screen capture triggering signal is monitored, a button to start a screen capture task is generated in a screen; the screen capture task is started when the screen capture triggering signal is received at the position of the button; when a screen local image highlighting triggering signal is detected, a screen local image highlighting task is started; and a screen capture generation file is stored. According to the screen capturing method and device, content displayed in the screen normally can be recorded, content, with local image highlight, displayed in the screen can be also recorded, the dimension of screen capture content is greatly improved, visual impact is improved, interest of screen capturing itself is improved, and more user can be attracted.
Owner:LEMOBILE INFORMATION TECH BEIJING

Generation method for irregular-scale photomosaic

The invention discloses a generation method for an irregular-scale photomosaic, and aims to solve the problem that an original photo is divided into scales with fixed sizes in the conventional photomosaic generation process, and proper substitutive scales are obtained by a matching method, so that photo information to be displayed by the substitutive scales is lost when the sizes and length-width ratios of the substitutive scales are changed, and a photo effect is worsened. The generation method for the irregular-scale photomosaic comprises the following steps of: 1, determining a current substituted area in unsubstituted areas in the original photo according to a preset searching method; 2, searching for optimal substitutive scales according to a preset matching method from a substitutive photo library, updating the current substituted area by using the found optimal substitutive scales; and 3, repeating the steps 1 and 2 until the original photo is completely substituted. The generation method for the irregular-scale photomosaic is easy to implement; and according to the brand-new generation method for the photomosaic, changes in the sizes and length-width ratios of the substitutive scales are avoided.
Owner:TSINGHUA UNIV

Method for regulating display depth of three-dimensional image

InactiveCN101282492BMagnification and exaggeration of depth motionAdd dimensionImage analysisStatic indicating devicesParallaxImaging processing
The invention relates to three-dimensional image display depth adjusting method, which belongs to the field of three-dimensional image processing technology. The method includes: when synthesizing a three-dimensional image by employing a one-path plane video and corresponding depth video, firstly determining depth value corresponding to the screen plane and conversion ratio of parallax to depth, thereby finding parallax sizes corresponding to different depth areas and shifting each area according to the value to obtain left-right view results; moreover, when synthesizing a three-dimensional image by employing left-right two-path videos, firstly determining parallax size corresponding to the imaging object, and further shifting the imaging object in the left-right two-path videos to obtainleft-right view results. Then, fusion hole-mending treatment is performed to the obtained view results, and a three-dimensional image is synthesized according to the treated left-right views. The invention can amplify depth-motion of the imaging object or push the imaging object to front of the screen, which greatly reinforce stereo perception and visual impaction of the three-dimensional image. The invention is suitable for all the three-dimensional images synthesized based on the left-right parallax principle.
Owner:安徽沃孚医疗科技有限公司

Lens group, camera module and electronic device

The invention discloses a lens group, a camera module and an electronic device. The lens group comprises, from an object side to an image side, a first lens having a negative refractive index and withan object side surface being a plane, a second lens having a positive refractive index, a third lens having a negative refractive index, a fourth lens having a positive refractive index, a fifth lenshaving a refractive index, and a sixth lens having a refractive index. The lens group satisfies the following relational expressions: Fno < 3.0, TTL / ih < 2.2, and a field angle omega > 150.0 degrees,wherein Fno is the aperture number of the lens group, TTL is the total length of the lens group, and ih is the image plane height of the lens group. According to the lens group provided by the embodiment of the invention, through reasonable lens configuration, the field angle can be greater than 150.0 degrees, so that the lens group has an ultra-large field angle, a relatively strong perspectiveeffect can be achieved when a photographed object is photographed, and a photographed image has relatively large visual impact force.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Display device capable of realizing black edge elimination in splicing

InactiveCN108333827AEliminate black bordersImprove visual impactNon-linear opticsBlack edgeCrystal display
The invention provides a display device capable of realizing black edge elimination in splicing. The display device comprises a display module, a lens and a first optical adhesive layer. The display module comprises a display area and a black frame area, the lens is arranged above the display area and the black frame area, the first optical adhesive layer is arranged between the display module andthe lens to adhere the display module and the lens together, and the first optical adhesive layer is in certain thickness to enable the lens to magnify part of pixel images in the display area to display above an integral area of the black frame area, so that the black frame area can be visually eliminated. In implementation of the display device, black edging resulted from splicing of differentliquid crystal displays can be eliminated, and visual influences are improved.
Owner:HUIZHOU CHINA STAR OPTOELECTRONICS TECHNOLOGY CO LTD

Multifunctional advertising lamp box

The invention discloses a multifunctional advertising lamp box which comprises an LED light display screen and a brand mark, wherein an aluminum alloy frame is arranged at the periphery of the LED light display screen; a camera is arranged at the upper end of the LED light display screen; a USB (Universal Serial Bus) charging interface is arranged at the left end of the LED light display screen; abobbin is arranged at the lower end of the USB charging interface; a power line is arranged at the lower end of the bobbin; the brand mark is arranged at the lower end of the LED light display screen; a storage battery is arranged at the lower end of the brand mark; a base is arranged at the lower end of the storage battery; castors are arranged at the lower end of the base; castor fixing devicesare arranged on the outer sides of the castors; a GPS (Global Positioning System) positioning device is arranged inside the LED light display screen; and an environmental-friendly dustbin is arrangedat the right end of the LED light display screen. The multifunctional advertising lamp box disclosed by the invention is saving in energy, environmentally friendly, comprehensive in function, convenient to transport, long in service life and saving in cost and can be widely applied to shopping malls, exhibition and other occasions.
Owner:广西特致文化传播有限公司

Method for preparing novel packaging material with frosted effect

The invention discloses a method for preparing a novel packaging material with a frosted effect. The method comprises the following steps of designing a pattern with the frosted effect, selecting an optical effect according to the pattern with the frosted effect, quantifying the optical effect, simulating the optical effect to determine the frosted effect and image units, assembling the image units, then photoengraving to prepare a mother set, and finally copying frosted information on the mother set to a substrate to obtain the novel packaging material with the frosted effect. The problems that a frosted or matte effect layer of the existing frosted material in the background art is uneven in surface, and is dim and dark and poor in metal texture visually, small in visual impact, and lowin gloss are solved, so that the novel packaging material with the frosted effect has a relatively strong metal texture, a relatively strong three-dimensional sense, a large visual impact, and high anti-counterfeiting performance, and is rich in variety, and high in selectivity.
Owner:YANTAI BOYUAN TECH MATERIALS
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