China latest patents query

The latest invention patents collect the data information of China invention patents from 2000 to 2024, typesetting according to the date of patent publication, including patent number, application date, invention Bibliographic data, abstracts, and specification data of people are convenient for scientific researchers to quickly browse and search for patents.

Downloading method, device, client and system, and storage medium

InactiveCN109361739AImprove download speedAvoid slow downloadsTransmissionData sliceClient-side

Owner:GUANGZHOU DUOYI NETWORK TECH +2

Pollution-free treatment device for landscaping garbage and treatment method thereof

InactiveCN112391982AImprove processing efficiencySave human effortRoad cleaningGrain treatmentsElectric machineryEnvironmental resource management

Owner:刘代金

High-ammonia-nitrogen and high-hardness waste water pretreatment device, treatment system and treatment method

PendingCN110078263AHigh total hardness removal efficiencyReduced fouling effectsWater aerationWater softeningPre treatmentHardness

Owner:CHINA SHENHUA ENERGY CO LTD +2

Method for rapidly evaluating PRNU degradation after irradiation of image sensor based on non-uniformity of brightness of camera

PendingCN114710659ARapid assessmentRepeatableTelevision system detailsNuclear energy generationImage sensorMaterials science

Owner:XINJIANG TECHN INST OF PHYSICS & CHEM CHINESE ACAD OF SCI

Internet of Things terminal interoperation method and device based on semantic comprehension

ActiveCN106933796AEfficient combinationImprove interoperabilitySemantic analysisTransmissionSemantic computingData content

Owner:CHINA TELECOM CORP LTD

Intelligent electric automobile prompt tone system

InactiveCN110254345AAccurate data collectionHigh degree of intelligenceAcoustic signal devicesMicrowave radarIn vehicle

Owner:TIANJIN RES INST FOR ADVANCED EQUIP TSINGHUA UNIV

Cold rolling production method of medium-chromium ferrite stainless steel for vehicle exhaust system

InactiveCN106140813ALarge shear strain energyStrong textureRoll mill control devicesMetal rolling arrangementsDuctilityChromium

Owner:BAOSTEEL DESHENG STAINLESS STEEL

Miniature microphone and manufacturing method of miniature microphone

InactiveCN111770423AHigh sensitivityImprove yieldMicrophonesLoudspeakersPhysicsParasitic capacitor

Owner:杭州士兰集昕微电子有限公司

Pressure reduction energy recovery system for pneumatic motor

InactiveCN102606563ASimple structureIncrease energy outputFluid-pressure actuator componentsEngineeringHigh pressure gas

Owner:DALIAN UNIV OF TECH

High-temperature casting liquid conversion device

PendingCN113059127ASimple structureInnovative designMould controlling devicesProcess engineeringPower apparatus

Owner:JIANGSU FEIJINDA TECH

Automatic exit and entry certificate handling device and method thereof

PendingCN106846661AImprove the efficiency of certificate processingSave time and energyData processing applicationsApparatus for meter-controlled dispensingDigital cameraCard reader

Owner:广州市华标科技发展有限公司

ON triggering measurements in LTE-NR interworking

ActiveCN111656816AWireless communicationAssess restrictionTelecommunicationsRadio access

Owner:TELEFON AB LM ERICSSON (PUBL)

Equipment positioning method and device, and computer readable storage medium

PendingCN111221015AEliminate errorsHigh positioning accuracySatellite radio beaconingElectrical and Electronics engineeringComputer hardware

Owner:TENCENT TECH (SHENZHEN) CO LTD

Tissue culture and rapid propagation method for firmiana major

ActiveCN112243860AEasy to grow seedlingsBreeding steps simplifiedHorticulture methodsPlant tissue cultureHorticultureDomestication

Owner:KUNMING INST OF BOTANY - CHINESE ACAD OF SCI

Large-torque in-situ calibration method for armored vehicle transmission device test bed

ActiveCN111665044ASolving In-Situ Calibration ChallengesMachine part testingAutomotive engineeringTorque sensor

Owner:内蒙古第一机械集团股份有限公司

Efficient oil-water separation device

PendingCN114212904AImprove stabilityReduce labor intensityFatty/oily/floating substances removal devicesTreatment involving filtrationOil–water separatorOil water

Owner:深圳市恒兴盛厨具有限公司

Stage suspender lifter convenient to transport

InactiveCN111977537ASmall footprintReduce shipping costsStands/trestlesWinding mechanismsStructural engineeringMechanical engineering

Owner:泰州市银杏舞台机械工程有限公司

Building, decorative plate thereof and installation method

PendingCN112324030APrevent deformation or leakage of perfusionThe installation position is accurateWallsStructural engineeringMechanical engineering

Owner:武汉品珈网络科技有限公司

Decoding method and device, decoder and storage medium

PendingCN114567334AImprove error correction performanceError correction/detection using multiple parity bitsCode conversionEngineeringElectrical and Electronics engineering

Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Preparation method and application of hierarchical porous molecular sieve-supported PtRu catalyst

ActiveCN107971019APrevent precipitationHighly reactive bit density CelsiusMolecular sieve catalystsOrganic compound preparationEmulsionMolecular sieve

Owner:UNIV OF JINAN

High-efficiency solar power generation system

InactiveCN106301186AEasy to processReliable operationPhotovoltaic supportsSolar heating energyEngineeringSolar power

Owner:浙江中宏能源科技有限公司

Signal transmitting method and device, equipment and medium

PendingCN114364005AReduce power consumptionEffective controlPower managementBaseband system detailsTransmitted powerTransmission time

Owner:NEXWISE INTELLIGENCE CHINA LTD

Three-dimensional transport vehicle

PendingCN111762246AReduce manual operationsEasy to install and adjustSupporting partsHand carts with multiple axesVehicle frameManufacturing engineering

Owner:CRRC TANGSHAN CO LTD

Low-attenuation bending insensitive single-mode optical fiber

ActiveCN105334570AReduce fiber attenuationLow macrobend lossOptical fibre with graded refractive index core/claddingOptical fibre with multilayer core/claddingMulti-mode optical fiberSingle-mode optical fiber

Owner:YANGTZE OPTICAL FIBRE AND CABLE JOINT STOCK LIMITED COMPANY

Industrial wireless network time synchronization correction method based on TDMA

ActiveCN104717737AReduce calculation and network data transmission loadAchieve reliabilitySynchronisation arrangementRadio transmission for post communicationData transmissionCorrection method

Owner:MICROCYBER CORP

Device for detecting tunnel lining by using geological radar antenna

PendingCN110888128AGuaranteed accuracyImprove inspection quality and efficiencyAntenna supports/mountingsRadio wave reradiation/reflectionEngineeringStructural engineering

Owner:CHANGAN UNIV

Block chain transaction system and method based on credit value credit

PendingCN114170005AGuarantee fair operationImprove trustFinanceDigital data protectionSmart contractRisk assessment

Owner:CHANGCHUN INST OF TECH

Application of KMT2D in preparation of antitumor drugs

PendingCN112057608ARegulation of proliferationRegulation of apoptosisPeptide/protein ingredientsTransferasesRibosomal RNA GenesCompound s

Owner:NANTONG UNIVERSITY

Screen projection information display method, reading terminal and storage medium

ActiveCN111338593AReduce data volumeAvoid the influence of the synchronization effect of the screen projectionDigital output to display deviceInformation transferInformation transmission

Owner:ZHANGYUE TECH CO LTD +1

Adhesive sticking device

PendingCN110311148ASmooth processImprove glue application efficiencyPrimary cell manufactureAssembling battery machinesEngineeringMechanical engineering

Owner:GUANGDONG LYRIC ROBOT INTELLIGENT AUTOMATION CO LTD

Sleeve assembly capable of improvinganti-shearing performance of anchor rod and anchor rod comprising sleeve assembly

PendingCN109578038AImprove support qualityLow costAnchoring boltsShear capacitySupport system

Owner:TAIAN TAISHUO STRATUM CONTROL SCI & TECH CO LTD

Infrared temperature measurement system for industrial park safety epidemic prevention management

PendingCN113639875AEasy to set upWide rangeSensing radiation from moving bodiesEngineeringMonitoring site

Owner:南京侠客岛数智科技有限公司

Building model processing method and device, electronic equipment and storage medium

PendingCN114329692ASimple processSpeed up the parsing processGeometric CADFile/folder operationsData processingSystems engineering

Owner:WANYI TECH

Automatic refrigerator door switch assembling machine and automatic button feeding mechanism thereof

PendingCN111113001AImprove production and processing efficiencyReduce labor costsMetal working apparatusEngineeringManufacturing engineering

Owner:浙江昌德成电器有限公司

Interlayer type multi-functional bearing pedestal for Roots blower

InactiveCN102705239AGood cooling effectImprove cooling effectRotary piston pumpsRotary piston liquid enginesMultiple applicationsEngineering

Owner:南通荣恒环保设备有限公司

Sour-sweet core-flowing sausage and processing method thereof

InactiveCN111802598AImprove textural propertiesRich and full flavorMeat/fish preservation by heatingClimate change adaptationCorn starchNutrition

Owner:程麟棋 +2

Valine purification method

ActiveCN101798273AEasy to operateGood choiceIon-exchange process apparatusOrganic compound preparationChemistryActivated carbon

Owner:肇东星湖生物科技有限公司

Vegetable cutter and washing and grinding methods

InactiveCN102179827AImprove labor efficiencyQuality improvementMetal working apparatusPush and pullElectricity

Owner:王德普

Method for determining service life and reliability of high-temperature high-pressure component by utilizing ultrasonic

InactiveCN101509898ADetermine service lifeAnalysing solids using sonic/ultrasonic/infrasonic wavesGreek letter sigmaHigh pressure

Owner:DALIAN UNIV OF TECH

Safe pipe body stacking type dam device

PendingCN112879275ALow costReduce weightDamsPump testingStructural engineeringStress sensors

Owner:ANHUI UNIV OF SCI & TECH

Characteristic building elevation surveying and mapping method based on images

InactiveCN103322911AImprove production efficiencyEnrich the feature elements of detailed componentsUsing optical meansRepeat unitStructural unit

Owner:桂林大容文化科技有限公司

Fixation point display method and related device

PendingCN114063761AImprove user experienceImprove experienceInput/output for user-computer interactionGraph readingEngineeringComputer graphics (images)

Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Heat-preservation wall body of wood-frame shear wall

InactiveCN101929207AReduce wet workImprove construction efficiencyWallsClimate change adaptationMachining processSurface plate

Owner:TONGJI UNIV

Empirical mode decomposition and deep learning hybrid model-based wind speed prediction method and system

InactiveCN106126896ASmall differenceImprove forecast accuracySpecial data processing applicationsInformaticsTraining data setsDecomposition

Owner:CHINA UNIV OF GEOSCIENCES (WUHAN)

Particle screening machine

InactiveCN107866373ASimple structureEasy to manufactureSievingScreeningEngineeringParticle sorting

Owner:广东精泽企业服务有限公司

Peel-off mudpack for balancing sebum and removing blackhead

InactiveCN107648086AExcellent moisturizingCalming and soothingCosmetic preparationsToilet preparationsCorn starchChemistry

Owner:NOX BELLCOW COSMETICS CO LTD

Whitening and anti-aging essence and preparation method thereof

PendingCN113318042AAnti agingDownplay allergiesCosmetic preparationsToilet preparationsSodium hyaluronateGlycerol

Owner:GUANGZHOU VISION OPTICS TECH

Improved splicing type aluminum alloy profile

PendingCN113531231ANot easy to shake offEfficient transportation efficiencySleeve/socket jointsPipe supportsAluminium alloy

Owner:钱子岑

Clothes washing program sharing method, terminal and storage medium

PendingCN114059265AReduce inconvenienceImprove user experienceControl devices for washing apparatusTextiles and paperProcess engineeringSystems engineering

Owner:QINGDAO HAIER WASHING MASCH CO LTD +1

Controller local network controlling system and its checking and testing methods

InactiveCN100508471CBus networksElectrical controlLocal area network

Owner:LS AUTOMOTIVE TECH CO LTD

Environment-friendly soil remediation mechanism made of crop straw and biochar

InactiveCN113751480AImprove integration and practicalityStrong linkageContaminated soil reclamationCuttersElectric machineryAgricultural crops

Owner:蒋彩霞

Artificial fracture imaging method and system for physical simulation gas fracturing experiment

InactiveCN110243690AAvoid interference with experimental resultsAvoid interferenceMaterial strength using tensile/compressive forcesDuctilityThin layer

Owner:BC P INC CHINA NAT PETROLEUM CORP +1

Heating processing technology for deep sea petroleum drill by adopting conduit joint

InactiveCN103215425AConsistent temperatureStable quenching qualityDrilling rodsFurnace typesQuenchingPetroleum

Owner:JIANGSU SHUGUANG OIL DRILLING EQUIP CO LTD

Charging device for electric vehicle

ActiveCN103986199AAvoid power outagesBatteries circuit arrangementsCharging stationsElectrical batteryElectrical and Electronics engineering

Owner:SUZUKI MOTOR CO LTD

Aviation infrared video multi-target detection and tracking method and device

PendingCN109859250AImplement trackingEasy to detectImage analysisComputer visionSelf adaptive

Owner:北京悦图数据科技发展有限公司

Test method and device for simulating thermal WHTC circulation in diesel hot and cold WHTC circulation

PendingCN109443775AReduce urea injectionValid and reliable calibration dataInternal-combustion engine testingTested timeInlet temperature

Owner:GUANGXI YUCHAI MASCH CO LTD

Foldable wing extensible in wingspan

InactiveCN105818962AWide range of wingspanIncrease liftWing adjustmentsAerospace engineeringWingspan

Owner:CETC SPECIAL MISSION AIRCRAFT SYST ENG

Flue gas semi-dry desulfurization device and method

ActiveCN111545042ASolve the increase in production costsReduce manufacturing costGas treatmentDispersed particle separationProcess engineeringFlue gas

Owner:江苏峰峰鸿运环保科技发展有限公司

A cable wrapping intermediate joint and a manufacturing process thereof

PendingCN109245022AExcellent electrical performanceSafe and reliable operationCable junctionsApparatus for joining/termination cablesSingle phaseElectrical conductor

Owner:SHANGHAI G&W ELECTRIC LTD +2

Motor end cover bearing chamber structure

InactiveCN103490550ASimple structureGood heat dissipationSupports/enclosures/casingsEngineeringMachining

Owner:苏州双航机电有限公司

Verification method for providing information verification for enterprise information server

ActiveCN106603225AImprove anti-counterfeitingGuaranteed not to be tampered withKey distribution for secure communicationPublic key for secure communicationClient-sideComputer security

Owner:捷玛计算机信息技术(上海)股份有限公司

Toxin relieving and pus expelling oral ointment applied to lung abscess and preparation method thereof

InactiveCN105288333ARelieve pulmonary carbuncleShort course of treatmentAerosol deliveryOintment deliveryGardenia gummiferaPulmonary abscesses

Owner:鄢明亮

Classification type forcible inspection instrument managing device based on comprehensive application platform

InactiveCN109823759AAvoid wasting time and effortReduce labor costsSortingStorage devicesClassification typesComputer module

Owner:郑州市质量技术监督检验测试中心

Water garbage cleaning equipment

InactiveCN112323748AAvoid motor short circuit damageEasy to collectWater cleaningStationary filtering element filtersElectric machineryEngineering

Owner:李玉苓

Wall-hung typetoilet

PendingCN108560671AReduction in installation costs and man-hoursEasy to installWater closetsFlushing devicesFixed frameEngineering

Owner:XIAMEN RUNNER IND CORP

Apparatus for moulding and de-moulding large aluminum ingot

InactiveCN101372034BSimple structureHigh demoulding accuracyMetallurgyIngot

Owner:SHENYANG ALUMINIUM MAGNESIUM INSTITUTE

Interactive automatic welding system based on three-dimensional vision

PendingCN112958974AHigh degree of automationLabor savingProgramme-controlled manipulatorWelding/cutting auxillary devicesThree dimensional modelMultiple device

Owner:XIAN CHISHINE OPTOELECTRONICS TECH CO LTD

Safety warning device for electromechanical equipment

PendingCN106504447AReduce maintenance costsExtended service lifeElectric transmission signalling systemsEnvironmentally friendlyDistance sensors

Owner:TIANJIN PAJIN TECH DEV CO LTD

A mechanical device that obtains power from temperature differences and utilizes natural laws to realize automatic operations

ActiveCN105298775BSafety, environmental protection and stable performanceHigh degree of mechanical automationMachines/enginesMechanical power devicesHuman powerEngineering

Owner:贾二芳

Coaxiality correction mechanism for installing lens grinding tool

PendingCN113400139AEasy to adjustEasy to operateOptical surface grinding machinesGrinding drivesPhysicsScrew thread

Owner:江西吉铖光电有限公司

Disinfection cabinet for medical treatment

InactiveCN107970476AReasonable structureEasy to useLavatory sanitoryChemicalsEngineeringUv disinfection

Owner:安徽嵩源科技有限公司

Soil improvement method for planting blueberries

InactiveCN103609219AMaintain soil condition and fertilityNon-toxicSoil lifting machinesFertilising methodsNutrientRoot system

Owner:JILIN NORMAL UNIV

Web service quality of service (QOS) prediction method based on mixed collaborative filtering

ActiveCN103139310AImprove forecast accuracySolve the problem of overestimation of similarity valueData switching networksService qualityPrediction methods

Owner:HANGZHOU DIANZI UNIV

Integrated Micro LED chip and manufacturing method thereof

ActiveCN113270440AAvoid optical crosstalkReduce complexitySolid-state devicesSemiconductor devicesEngineeringFluorescent materials

Owner:FUJIAN PRIMA OPTOELECTRONICS CO LTD

Method for casting rotary axis casts of aerogenerators

ActiveCN101618425AReduce shrinkageImprove yieldFoundry mouldsFoundry coresBlock effectMetallurgy

Owner:RIYUE HEAVY IND

Method for preparing alumina-based porous mineral material

ActiveCN102188950AImprove the adsorption effectHigh specific surface areaOther chemical processesWater/sewage treatment by sorptionIonMaceral

Owner:CENT SOUTH UNIV

Multi-stage scheduling method and system supporting multiple time periods

ActiveCN114245469ASatisfy Simplified Needs for Classified ConfigurationsMeet the requirements of different delaysHigh level techniquesWireless communicationEngineeringReal-time computing

Owner:南京风启科技有限公司

Automatic parking and taking-out equipment of intelligent three-dimensional garage

InactiveCN105525777ASave land areaLow manufacturing costParkingsAutomotive engineeringParking space

Owner:湖北艾瑞博特机器人工程技术有限公司

Low-residual safe self-destructing injector

InactiveCN101444649ATo achieve the purpose of locking the push rodInfusion syringesInfusion needlesInsulin syringesInjector

Owner:SHANGHAI SOL MILLENNIUM MEDICAL PRODUCTS CO LTD

Position sensor-free control technology for four-phase doubly salient motor

InactiveCN102904502ASolve the problem of high terminal voltage THD valueGuaranteed sineSingle motor speed/torque controlElectronic commutatorsPhase shiftedZero crossing

Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Self-filtering efficient titanium heat exchanger

ActiveCN105300135AIncrease the heat exchange areaImprove heat exchange efficiencyCorrosion preventionHeat exchanger casingsTitaniumEngineering

Owner:山东金拓热能科技有限公司

Cylinder apparatus

ActiveCN107850167ALow costKeep expellingSpringsSprings/dampers design characteristicsEngineeringCylinder block

Owner:HITACHI ASTEMO LTD

Online real-time optimization method and device for steam power system

ActiveCN112783115AGuaranteed accuracyImprove enforceabilityTotal factory controlProgramme total factory controlControl variableSteam power

Owner:ZHEJIANG SUPCON TECH +1

Information storage device, information storage equipment and storing and reading method thereof

InactiveCN101826348AImprove data recognition rateReduce bit error rateRecord information storageLight beam reproducingInformation deviceInformation storage

Owner:BOE TECH GRP CO LTD +1

Solid state disk read system and method

ActiveCN108648778AImprove read performanceRead-only memoriesSolid-stateStatistical analysis

Owner:SHENZHEN YILIAN INFORMATION SYST CO LTD

Joint filling device for repairing irregular pavement cracks for municipal engineering

ActiveCN113356000ARapid cooling for real-time high efficiencyImprove efficiencyRoads maintainenceStructural engineeringMechanical engineering

Owner:荣泰建设集团有限公司

Multi-focal-plane display system and device

ActiveCN109633905AReduce dizziness and discomfortSimple structureColor television detailsOptical elementsLaser lightOptoelectronics

Owner:HUAWEI TECH CO LTD

Preparation method of carphosiderite catalyst and method for treating waste water through biological electron-Fenton system

InactiveCN106040267AMild preparation conditionsSimple methodPhysical/chemical process catalystsTreatment by combined electrochemical biological processesPollutantMetal dissolution

Owner:WUHAN UNIV

Insecticidal composition containing flubendiamide and carbamate

ActiveCN104106587AReduce dosageReduce residueBiocideAnimal repellantsLivestockIndoxacarb

Owner:北京大农时代农药技术研究所

Hollow heat source

ActiveCN101636011AReduce weightEasy to useHeating element shapesHeating element materialsCarbon nanotubeNano tube

Owner:TSINGHUA UNIV +1

Waste collecting and cleaning device and method for tire rubber workshop

ActiveCN103706235AReduce the suction volumeReduce energy consumptionDispersed particle separationMultistage water/sewage treatmentWater treatment systemHorizontal angle

Owner:万向新元科技股份有限公司

Forging method of nickel base alloy containing copper and nickel base alloy containing copper

ActiveCN104741494AImprove plasticityLower the holding temperatureMetal-working apparatusPre treatmentHeating furnace

Owner:ENN ENVIROTECH CO LTD

High-sensitivity all-fiber current measuring device and method with dual-cycle structure

ActiveCN111458553AHigh sensitivityReduce power fluctuationsCurrent measurements onlyVoltage/current isolationPolarizerOptical path

Owner:CHINA UNIV OF MINING & TECH

Openable skirt type steel reinforcement cage of reamed pile

InactiveCN103850252AImprove reliabilityReduce number and diameterBulkheads/pilesRebarBuilding material

Owner:徐州雷曼机械科技有限公司

(k,n) threshold based user-friendly visual secret sharing method

ActiveCN105404817AImprove the range of image applicationsIncrease contrastDigital data protectionRandom gridGray level

Owner:XIDIAN UNIV

Method for discriminating hygrophilous planting of interregional main food crops

ActiveCN108280773AGeneral water supply conservationResourcesHorticultureWater use

Owner:CHINA INST OF WATER RESOURCES & HYDROPOWER RES

Electronic ballast

InactiveCN102006706AElectrical apparatusElectric lighting sourcesValley-fill circuitEnergy storage

Owner:LUTRON ELECTRONICS CO INC

Method for cracking strata with organic materials to improve recovery ratio of adjacent oil-bearing reservoir stratum

ActiveCN109322650AStrong controllabilityEnhanced overall recoveryFluid removalOil productionProduct gas

Owner:安蔓页岩技术有限公司

Compound jet grouting pile machine, compound jet grouting pipe and construction method for compound jet grouting pile

ActiveCN106948341AAvoid poor construction stabilityIncrease the scope of applicationBulkheads/pilesDrill bitHigh pressure

Owner:湖北迪工展志建设工程有限公司

Method for integrated evaluation of large-scale complex power grid

InactiveCN101242102ADeepen the contentDeepen the content of the analysisSpecial data processing applicationsAc network circuit arrangementsTechnical supportVoltage stability

Owner:JIANGSU ELECTRIC POWER RES INST

Rational tangent amplitude modulation screening method based on minimum threshold matrix

InactiveCN111147687APoint Gain Phenomenon ImprovementImprove processing qualityPictoral communicationComputational physicsMesh grid

Owner:TIANJIN NAVIGATION INSTR RES INST

Speech support system based on seat speech

ActiveCN111475633AImproved speech skillsImprove speech skillsNeural architecturesText database queryingPhysicsText corpus

Owner:FUDAN UNIV

Stainless steel part grinding tool for numerical control flat grinder

PendingCN111195842AStable qualityImprove efficiencyGrinding machinesGrinding work supportsMagnetic disksStructural engineering

Owner:田中金属加工(上海)有限公司

Solid acid catalyst for synthesizing 2-propyl-1,3-dioxocyclo-5-pentene and preparation method thereof and method for using solid acid catalyst to synthesize 2-propyl-1,3-dioxocyclo-5-pentene

InactiveCN108043455ANo waste water dischargeLow costOrganic chemistryOrganic-compounds/hydrides/coordination-complexes catalystsWater diversionBoiling point

Owner:ZHEJIANG OCEAN UNIV