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37results about How to "Avoid uniformity" patented technology

Gallium oxide vertical device and method of making the same

PendingCN122121183AStrong process compatibilityImprove uniformityOhmic contactNitride
The application discloses a gallium oxide vertical device and a preparation method thereof. The gallium oxide vertical device comprises an epitaxial structure, a cathode and an anode matched with the epitaxial structure, the epitaxial structure comprises a heavily doped n-type Ga2O3 substrate, a lightly doped n-type Ga2O3 drift region, an interlayer and a p-type nitride epitaxial layer which are sequentially stacked, the lightly doped n-type Ga2O3 drift region, the interlayer and the p-type nitride epitaxial layer form a p-i-n structure, the cathode forms an ohmic contact with the heavily doped n-type Ga2O3 substrate, and the anode forms an ohmic contact with the p-type nitride epitaxial layer, wherein the material of the interlayer is an Al-containing compound, and the surface layer region of the lightly doped n-type Ga2O3 drift region close to the interlayer also has Al elements, the Al elements are diffused into the lightly doped n-type Ga2O3 drift region in the bonding process under high pressure.
Owner:SUZHOU INST OF NANO TECH & NANO BIONICS CHINESE ACEDEMY OF SCI

A raw material mixing device for drip irrigation tape production

This utility model belongs to the technical field of drip irrigation tape production equipment. Specifically, it discloses a raw material mixing device for drip irrigation tape production. The bottom of the screening box is connected to the screening box through a first discharge port. The top of the screening box is provided with several inlets. A vibrating screen is inclinedly arranged in the upper part of the inner part and a U-shaped filter tank is fixedly connected in the lower part. An agitator is rotatably connected in the U-shaped filter tank. A drive shaft is rotatably connected in the mixing tank. A conical material distribution plate is fixedly connected in the upper part of the drive shaft, an agitator blade is fixedly connected in the middle part, and an inclined scraper is fixedly connected in the lower part through a connecting rod. A second discharge port is opened at the bottom of the mixing tank. By setting up a screening box, this utility model can select large particles and lumpy raw materials, avoid clogging of the discharge pipe, and make the mixing more uniform.
Owner:JINTA LITIAN WATER SAVING AGRI CO LTD

Intelligent gantry submerged arc automatic welding machine

The utility model relates to welding equipment technical field, concretely relates to a kind of intelligent gantry submerged arc automatic welding machine, it includes: piece platform, top is equipped with multiple piece grooves along length direction, and both sides are equipped with machine tool track respectively;Welding machine tool, welding machine tool is transversely placed above piece platform, and two ends are respectively equipped with with machine tool track cooperation walking mechanism, welding machine tool top is respectively equipped with welding machine power supply corresponding each piece groove;Movable crossbeam, movable crossbeam is horizontally arranged in welding machine tool middle part, and movable crossbeam is equipped with with each piece groove corresponding cross slide;Telescopic arm, respectively with each cross slide corresponding each cross slide connection, bottom end is respectively equipped with welding torch, welding torch is connected with corresponding welding machine power supply;Controller, controller is set in one side of welding machine tool, and walking mechanism, telescopic arm, welding machine power supply and welding torch are respectively electrically connected with controller.The utility model is integrated, and automation design has significantly improved the efficiency and quality of I-shaped steel structure welding.
Owner:CHENGDU YASKAWA WELDING & CUTTING EQUIP CO LTD

A new universal shaft assembly

The utility model discloses a novel universal shaft assembly, including bottom plate, be provided with fixed subassembly on the bottom plate, the fixed subassembly includes mounting seat, fixed base, bolt, first axle body and second axle body, the mounting seat fixed mounting is at the both ends of bottom plate's top, the fixed base can be detached and installed on the mounting seat, the bolt can be detached and installed between fixed base and mounting seat, first axle body and second axle body are placed on the mounting seat respectively, be provided with disassembly subassembly on the fixed base, the disassembly subassembly includes oil injection pipe, connecting pipe and resist the pole, oil injection pipe fixed mounting is on the fixed base, connecting pipe fixed mounting is on the oil injection pipe, resist the pole sliding connection on the connecting pipe, to solve the background art mentioned in the installation fixed time of current universal shaft, although the traditional method can ensure the firmness of universal shaft, when universal shaft needs to maintain or replace, the more complicated technical problem.
Owner:HENAN DALIN RUBBER & TELECOMM APP

Injection molding machine for producing plastic floor

ActiveCN224408299UImprove liquidityavoid distributingCouplingInjection molding machine
The utility model discloses an injection molding machine for producing plastic floor belongs to floor production field, including extrusion cylinder, the fixed coupling of feeding pipe has on extrusion cylinder, is provided with rotating mechanism in extrusion cylinder, and rotating mechanism includes auger shaft, and the fixed coupling of motor has in the center position of extrusion cylinder one end, and the fixed coupling of extrusion head has in the end of extrusion cylinder away from motor. Advantageous effects lie in: set up connecting mechanism and vibration mechanism, through the setting of several material distribution plates on the conveying box, the hot plastic raw material flowing out in the extrusion head is guided to the material distribution plate respectively, and is injected into the mold through each injection tube, can make the hot plastic raw material enter the mold and will be fitted floor forming structure, avoid injection molding floor everywhere raw material distribution and uneven cooling, and through setting vibration mechanism, can improve the flowability of hot plastic raw material in the material distribution plate, make it more evenly from injection tube spouts, further improve injection uniformity.
Owner:DALIAN SOPHIA NEW MATERIALS CO LTD

Glue removal system and coating apparatus

A glue cleaning system for cooperating with a glue applying part of a coating knife, after the glue applying part of the coating knife is applied with glue, the glue cleaning system is used for cleaning glue liquid adhered to a slit type glue outlet of the glue applying part, the glue cleaning system comprises a flushing assembly, a blowing assembly and a scraping assembly, wherein the flushing assembly has a liquid outlet for spraying diluent liquid to the glue applying part after the glue applying part is applied with glue, the liquid outlet is capable of translating relative to a length direction of the glue outlet, the blowing assembly has a blowing port for blowing air to the diluent liquid on the glue applying part, the air blown by the blowing port is used for diffusing the diluent liquid to dilute the glue liquid adhered to the glue applying part and the glue outlet, the blowing port moves synchronously with the liquid outlet, the scraping assembly is capable of reciprocating and translating relative to the length direction of the glue outlet, has a scraper matched with the glue applying part, the scraper is in sliding abutment with the glue applying part, and the scraper is used for scraping off the diluted glue liquid on the glue applying part in the process of translating, the phenomenon of the glue outlet being blocked or the glue being applied unevenly in the prior art is avoided, and the glue applying precision of the glue applying part is improved.
Owner:SHENZHEN RUIRONG AUTOMATION CO LTD

A pharmaceutical reaction vessel with uniform mixing

This utility model relates to the field of pharmaceutical reaction vessel technology, and discloses a pharmaceutical reaction vessel for uniform mixing, including a base plate and two triangular frames fixedly installed on the top of the base plate. A bearing seat is fixedly installed on the top of each of the two triangular frames. A rotating shaft is rotatably connected inside one of the bearing seats. A cross plate is fixedly connected to one end of the rotating shaft, and a fixing sleeve is detachably connected to one side of the cross plate by four bolts. This utility model, through the coordinated use of a drive assembly, a rotating assembly, a stirring assembly, and a rotating shaft, enables convective shearing through the rotation of the reaction vessel body and the counter-movement of the internal stirring blades. The material generates turbulence under the simultaneous radial, axial, and tangential forces. Compared to traditional stirring that relies solely on blade propulsion, which easily leads to sedimentation at the vessel edge, the rotation of the vessel body drives the overall movement of the material, and the counter-movement of the stirring blades breaks up boundary layer stagnation, effectively improving mixing efficiency.
Owner:JIANGSU BANGXU MEDICAL EQUIPMENT TECHNOLOGY CO LTD

A dredging engineering offshore barge platform

ActiveCN224409558Uavoid uniformityavoid situationsGear wheelElectric machinery
The utility model discloses a dredging engineering offshore barge loading platform, including the hull, the first pipeline is fixedly arranged on the hull, and a plurality of second pipelines are fixedly communicated on the both sides of first pipeline, and the plurality of second pipelines are fixedly arranged with Z type elbow pipe away from first pipeline one end, and the Z type elbow pipe is rotatably arranged with the branch pipe away from second pipeline one end, and the branch pipe is fixedly arranged with the discharge pipe away from Z type elbow pipe one end, and the box is fixedly arranged on the hull and is located at a plurality of branch pipes, and the both sides of box are respectively provided with the round mouth for Z type elbow pipe and branch pipe's penetration, and the motor is fixedly arranged in a plurality of box inboard bottom, and the output of a plurality of motor all is provided with the gear assembly of driving branch pipe rotation. Motor drives branch pipe rotation through gear assembly, and branch pipe drives discharge pipe rotation, makes discharge pipe rotate certain angle, and then adjusts the angle position of sand loading, avoids sand barge sand uneven and does not fill the condition of loading, improves the working efficiency of barge loading platform.
Owner:ZHEJIANG LIANYANG WATERWAY ENGINEERING CO LTD

A type of adhesive tape bonding fixture

This utility model provides an adhesive tape bonding fixture, including a first component, a second component, and a vacuum mechanism. The first component has a first adsorption hole, and the second component has a second adsorption hole. The vacuum mechanism communicates with the first and second adsorption holes to extract gas, causing the first adsorption hole to adsorb the circuit board and the second adsorption hole to adsorb the adhesive tape. The second component is hinged to the first component, allowing the second component to open relative to the first component or to engage with the first component, thereby bonding the adhesive tape to the circuit board. This utility model employs negative pressure adsorption, with the first and second components respectively fixing and adsorbing the circuit board and the adhesive tape, avoiding problems such as detachment and uneven bonding during the bonding process, and improving the bonding accuracy between the circuit board and the adhesive tape.
Owner:SHENZHEN XINWEI INTELLIGENT TECH CO LTD

A test reagent packing device

ActiveCN224411391Uavoid uniformityavoid situationsBottleMechanics
The utility model discloses a kind of detection reagent canning device, it is related to detection reagent canning technical field.The utility model includes circular sleeve, circular sleeve fixed clamping sleeve is outside inlet liquid pipe, the elastic web is arranged in the outer wall of circular sleeve, the elastic web one end is provided with arc baffle, the arc baffle one end is provided with guide arc plate, the arc baffle other end is provided with arc clamping plate.The utility model is by being provided with auxiliary mechanism, not only can be in the process of canning pipe depression movement to bottle extrusion push, make bottle move to the just below canning pipe, it is favorable to accurate to detection reagent and is filled, avoid the situation that bottle is caused by shaking and leads to filling uneven or reagent leakage, and it can be according to the size of bottle to adjust the size of auxiliary mechanism, so as to extrude push for different size bottle, and further can improve its practicality.
Owner:BEIJING BIOCREATIVE TECH CO LTD

Angle-adjustable flattening device for garment processing

The application belongs to the technical field of garment processing, and discloses an angle-adjustable flattening device for garment processing, which comprises a main working shell, a threaded plate and a sliding plate drive a horizontal rod to move, the horizontal rod drives a square shell to move, when the square shell approaches the extrusion plate, the extrusion plate will enter the inside of the square shell along the second square hole and the first square hole, the inside of the square shell is extruded to make the lifting plate in the square shell move upwards, the lifting plate drives the vertical rod, the strip shell and the rotating belt to move upwards, the threaded plate and the sliding plate drive the rotating belt to move close to each other, so as to clamp the transported cloth, and when the rotating belts at the left and right ends move away from each other, the cloth can be pulled to move to both sides, so that wrinkles are prevented from being generated when the cloth is rolled between the lower flattening roller and the upper flattening roller, wrinkles are avoided from being generated due to unstable tension or angle during the flattening process, and the flattening effect of the equipment and the flatness of the processed cloth are improved.
Owner:JIUJIANG ICE ENERGY WEAVING CO LTD

Anti-skew photosensitive stamp

The utility model relates to a kind of anti-deflection type photosensitive seal, relating to photosensitive seal device field, including shell, seal, handle and bin cover, handle is connected with shell, seal is located in shell, bin cover is connected with shell, shell is equipped with anti-deflection positioning pressing ink adding component inside, anti-deflection positioning pressing ink adding component includes limiting post, positioning ring, push ring, fixed column, uniform force down component and ink adding component, limiting post is fixedly connected with shell, push ring is slidably connected with limiting post, fixed column is fixedly connected with push ring, fixed column is connected with seal, positioning ring is slidably connected with shell, uniform force down component is connected with positioning ring, uniform force down component is connected with push ring, ink adding component is connected with fixed column, ink adding component is connected with limiting post, beneficial effect: it avoids that seal is inclined to press down when rotating wrist seal, and seal is unevenly stressed to cause deflection to cause seal fuzzy or uneven imprint when sealing, improve the efficiency of sealing.
Owner:HUNAN XIANGYINTONG INTELLIGENT TECH CO LTD

Light-emitting module for optical cable of car lamp

The utility model relates to a car lamp optical cable light-emitting module which comprises a lamp support, a plurality of optical fiber strips are arranged on the lamp support through an embedded structure, a fixing support is arranged on one side of the lamp support, optical fiber light sources are arranged at the two ends of the fixing support, and the optical fiber light sources are electrically connected with the optical fiber strips. The fixing support is further provided with a control circuit board capable of controlling the light emitting effect of the optical fiber light sources, optical fiber strips are embedded in the lamp support and electrically connected with the optical fiber light sources at the two ends of the fixing support, efficient transmission and even distribution of light are achieved, and the problems that a strip-shaped lamp can generate spots and output is uneven are solved.
Owner:ZHEJIANG HONGGUAN LIGHTING TECH CO LTD

Ultrasonic humidification, purification and disinfection system and method

An ultrasonic humidification, purification and disinfection system and method, wherein the ultrasonic humidification, purification and disinfection system comprises an ultrasonic atomization device, a mist guide pipe and a jet pressurization device; the ultrasonic atomization device is used for atomizing water and conveying the generated water mist to the mist guide pipe; one end of the mist guide pipe is communicated with the ultrasonic atomization device, and the generated water mist is guided out to the outside space through the other end of the mist guide pipe; the other end of the mist guide pipe is arranged in the jet pressurization device, and the jet pressurization device is used for generating airflow to pressurize and speed up the water mist guided out by the mist guide pipe. The water mist generated by the ultrasonic atomization device is guided out through the mist guide pipe, and the jet pressurization device generates airflow to pressurize and speed up the water mist guided out by the mist guide pipe, so as to increase the range of water mist spraying, improve the flow rate of the water mist, increase the evaporation speed of the water mist, avoid secondary air pollution, and also avoid the phenomenon that the water mist is condensed into small water droplets and then the humidification or disinfection is uneven, so that the user demand can be met and the user experience is high.
Owner:STRAIT DEYUE (BEIJING) TECH CO LTD

Nanocomposite ceramic particle modified aluminum alloy powder for 3D printing and method of making the same

The application discloses a kind of nano-composite ceramic particles modified aluminum alloy powder for 3D printing and preparation method thereof, belong to metal additive manufacturing material technical field.The powder is composed of 7XXX series aluminum alloy powder matrix and TiC and TiB2 nanoparticles attached to its surface.TiC nanoparticle addition amount is 0.3%~1% of total mass, TiB2 is 0.1%~1%, total addition amount is controlled at 0.4%~1%.Two kinds of nanoparticles are uniformly coated on the surface of aluminum alloy powder by low-energy ball milling process, and the "TiB2-Al3Ti-Al" efficient heterogeneous nucleation path is constructed.The application realizes grain ultra-fining and completely crack-free forming under very low ceramic content, while avoiding the plasticity decline and surface treatment performance degradation caused by excessive ceramic phase.The obtained powder has excellent comprehensive performance, and is suitable for the manufacturing of high-strength, high-surface quality components.
Owner:SUZHOU AMPRO LTD

A flexible chain controllable polymerization reactor for melamine-formaldehyde resin polycondensation

ActiveCN224422853UControl the degree of polymerizationAutomatically adjust the amount of addition
This utility model relates to melamine-formaldehyde resin production technology, and discloses a melamine-formaldehyde resin condensation reactor with flexible chain controllable polymerization, including a reactor body, a stirring device, a temperature control device, a feeding device, a flexible chain polymerization control device, and a discharging device; the stirring device includes a motor, a drive shaft, and a stirring paddle, with the motor installed above the reactor body and connected to the stirring paddle via the drive shaft; the temperature control device includes a heating jacket, a heating coil, and a temperature sensor located inside the reactor body; the feeding device includes a feeding pipe, a high-precision flow meter, an electric valve, and a feed inlet; the flexible chain polymerization control device includes a viscometer, an infrared spectrometer, a data processor, and a controller, with the viscometer and infrared spectrometer located inside the reactor body; the discharging device is located at the bottom of the reactor body and includes a sealing valve, a discharging pipe, a heat insulation layer, and a variable frequency delivery pump, with a heat insulation layer outside the discharging pipe and the variable frequency delivery pump installed on the discharging pipe.
Owner:NINGXIA DAYU NEW MATERIAL TECH CO LTD

Luminous tire

ActiveCN224465585UImprove luminous performanceExtended service lifeFluorescenceMechanical engineering
The application discloses a luminous tire, which comprises tire side rubber and a luminous layer, wherein the luminous layer is arranged on the surface of the tire side rubber, the luminous layer is doped with a fluorescent substance, the fluorescent substance can absorb heat of the tire by thermal excitation luminescence, and the fluorescent substance can be excited to luminescence by temperature difference. The tire side rubber is provided with the luminous layer, and the fluorescent substance is doped into the luminous layer, so that the fluorescent substance falling and uneven distribution caused by the fluorescent substance being coated on the surface of the tire are avoided, the tire has stable luminescence effect, the fluorescent substance can be excited to luminescence by heat, so that heat generated by the tire in the use process is absorbed, the tire is cooled, and the service life of the tire is prolonged; and the fluorescent substance can also be excited to luminescence by temperature difference, so that heat on the surface of the tire and heat of sunlight are fully utilized, and the continuity and stability of tire luminescence are ensured.
Owner:GUANGZHOU FENGLI RUBBER TIRE

A fast and simple nail bed device for solder resist screen printing

This invention discloses a fast and simple solder mask screen printing stapler device, belonging to the field of PCB manufacturing technology. The fast and simple solder mask screen printing stapler device includes a stapler board with three sets of sliding grooves arranged in a linear array inside. Several sets of pins are slidably fitted inside the sliding grooves. This invention features the ability to slide and fit corresponding pins and staple holders at predetermined positions, connecting the staple holders to the stapler board. Then, by rotating an adjusting block, a connecting block drives a limiting block to fix the staple holders in place. This ensures the stability of the pin positions during use, guaranteeing the verticality and positional accuracy of the pins during screen printing. It avoids uneven solder mask thickness or screen printing pattern deviations caused by pin displacement, and prevents pins from falling off or scratching the PCB surface during operation, thereby reducing the scrap rate due to physical damage.
Owner:曾铁城

A rice drying device for rice processing

ActiveCN224498964Uavoid stackingavoid energy consumptionHeat flowElectric machine
The utility model belongs to rice drying technical field, specifically is a rice drying device for rice processing, including the chassis, adjusting mechanism and drying cylinder, the drying cylinder passes through adjusting mechanism and is installed on the chassis, is used for the drying operation of rice, motor, motor fixed mounting is in the drying cylinder surface, the output shaft of motor is through the lateral wall rotation connection of drying cylinder, the motor is speed reducer motor, the drying cylinder rotation is connected with the drum in, the drum passes through motor drive, the output shaft between the drum and motor is through the gear meshing drive, can mix rice, repeatedly turn over through the drum, further avoid the appearance stacking, the heat flow in the drying box can not carry out the drying to the rice in the inside, also avoided the drying energy consumption high and the drying uneven etc. problem, finally, the rice after drying is discharged through the discharge gate.
Owner:ZHIJIANG JINMU RICE IND CO LTD

A device for preparing high-cohesion, high-weaveability fancy composite network yarn

ActiveCN224512892URealize windingWind evenly
This utility model relates to the technical field of fancy composite network yarn preparation equipment. A device for preparing high-cohesion, high-weaveability fancy composite network yarn includes a base plate, a winding mechanism on the top left side of the base plate, and a guide mechanism on the top right side of the base plate. An auxiliary mechanism is provided at the bottom of the base plate. The winding mechanism includes a connecting plate, a motor mounted on the top of the connecting plate, a third gear fixedly connected to the output end of the motor, a third connecting rod fixedly connected to the top of the third gear, and a support rod fixedly connected to the top of the third connecting rod. Through holes are provided at the top and bottom ends of both sides of the support rod, and telescopic rods are installed in each of the four through holes. A support plate is fixedly connected to the telescopic end of the telescopic rod, and a spring is provided on the outside of the telescopic rod. This utility model, through the telescopic rods and springs in the winding mechanism, enables the device to adapt to rolls of different sizes, improving the production efficiency of fancy composite network yarn.
Owner:TONGXIANG XINSILI TEXTILE CO LTD

A device for spreading de-icing agent uniformly

ActiveCN224351124UAdjust the splash rangeFacilitate contact areaThrowing machinesCleaning
This utility model provides a de-icing agent spreading device, relating to the field of highway maintenance technology, to solve the problems of de-icing agent easily agglomerating into large particles, causing blockage at the discharge port, affecting spreading efficiency and uniformity, and the inconvenience of adjusting the spreading range of the de-icing agent according to road conditions and vehicle traffic. The device includes a storage bin, a spreading bin, and a conveyor belt. Two sets of mounting plates are fixedly connected to the left end of the storage bin. A rotating shaft is fixedly installed on the top of the spreading disc. External baffles are rotatably mounted at both ends of the outer side of the spreading disc. Two sets of electrically operated telescopic devices are installed at the bottom of the spreading disc. This utility model facilitates the crushing of large de-icing agent particles. The inclined structure of the conveyor belt, combined with its own operation, effectively improves the smoothness of de-icing agent spreading. The device allows for easy adjustment of the spreading range of the de-icing agent according to road conditions and vehicle traffic, and can automatically clean the surface of the conveyor belt.
Owner:刘勇

A multi-color coating device for a car emblem insert

ActiveCN224293637URealize multi-axis displacement controluniform coverageSpraying apparatusElectric machineryStructural engineering
The utility model relates to car logo insert coating device technical field discloses a multicolor coating device of car logo insert, including fixed base, the fixed base upper surface fixedly connected with the air cylinder, the air cylinder output fixedly connected with push table, push table side wall fixedly connected with motor no.
Owner:UEHARA AUTOMOBILE NAMEPLATE (HUIZHOU) CO LTD

A waste thread tension stand

ActiveCN224394294UAvoid tension instabilityEven by forceFilament handlingStructural engineeringYarn tension
The utility model provides a waste edge yarn tension frame relates to textile technical field, including the waste edge yarn frame, first yarn guide device, tension device and second yarn guide device who sets up in sequence, and the waste edge yarn frame includes the yarn frame bottom plate, is provided with a plurality of groups of connecting rods on the yarn frame bottom plate, and the inclination of same group's a plurality of connecting rods is same, and the connecting rod is used for placing the waste edge yarn drum, first yarn guide device includes a plurality of yarn guide frame, and a plurality of groups of connecting rods are respectively towards the yarn guide frame inclination, is provided with a plurality of first yarn guide porcelain eye on the yarn guide frame, tension device includes a plurality of vertical yarn frame bottom plate setting's tension frame bottom plate, is provided with a plurality of tension ware on the tension frame bottom plate, and a plurality of yarn guide frames are respectively close to the tension frame bottom plate setting, second yarn guide device includes the yarn guide plate, and the yarn guide plate is perpendicular to the tension frame bottom plate setting, is provided with a plurality of second yarn guide porcelain eye on the yarn guide plate, makes the waste edge yarn's yarn route tend to straight line, avoids the instability of tension in the loom operation process.
Owner:SHAANXI YUANFENG TEXTILE TECH RES

A prefabricated moisture-proof and sound-absorbing ceiling

ActiveCN224281719UExcellent acoustic diffusionImprove the noise reduction effectCeilingsSound proofingFloor slabSound Absorber
This utility model discloses a prefabricated moisture-proof and sound-absorbing ceiling, which includes a series of arc-shaped sound absorbers. The arc-shaped sound absorbers are connected to the top beam or floor slab via stainless steel hangers. The arc-shaped sound absorbers include three types: an upwardly concave sound absorber, a first downwardly convex sound absorber, and a second downwardly convex sound absorber. Each upwardly concave sound absorber is adjacent to a first downwardly convex sound absorber and a second downwardly convex sound absorber on both sides, forming an overall wave shape. Each arc-shaped sound absorber includes sound-absorbing cotton, a moisture-proof cloth, and an aluminum plate. This utility model offers excellent moisture and corrosion resistance, good sound absorption, strong structural integrity, and convenient construction.
Owner:CHINA CONSTR FIRST BUREAU GRP INTERIOR FITOUT ENG +1