PremSeT Solid Insulation Switchgear (ORIGINALFACTORY)

UniSafe Air-insulated Metal-enclosed Switchgear

ABB

MDmax-ST Low-voltage Switchgear Assembly

MDrail-E Distribution Box

CGZ1 6.0 Digital Intelligent Low-voltage SwitchgearAssembly

NEA Low-voltage Switchgear Assembly

MediumVoltageMarineSwitchboard

Emergency Switchboard

Low-voltage Main Switchboard

Company Profile

SUPPLY was established in 2O18and headquartered in Germany.It is a wel-nown brand in the electronic component manufacturing industry and holds a leading position in the field of power and energy efficiency management.The company focuses on the research and production of various products，such as multi-functional instruments,APF,SVG,harmonic protectors,reactive power compensation controllers,composite switches,thyristor switches,intelligentcapacitorsandreactors,and provides integratedsolutionsforpowerqualitycoveringfieldssuch ascommunication networking，reactive power compensation,and harmonic control.With Germany's leading technology,high-quality products,and advanced production equipment,we continuously meet customer needs and win praise fromusers and trust from industry insiders.Our products are widely used in fields such as power grid generation,municipal engineering,real estate,emerging industries,petrochemicals,datacenters,rail transit,and power services. 鼎

Company Profile

Shenzhen Hengsheng Electrical Equipment Co.,Ltd.is located in Dalang Fashion Town,Longhua District, Shenzhen.The company has long been dedicated to the R&D,production,sales and services of emergency lighting and evacuation indication system products.All products have passed the national compulsory type tests and obtained the compulsory 3C certification.The company has successfully passed ISO9001 Quality Management System Certification,ISO14001 Environmental Management System Certification,and ISO45001 Occupational Health and Safety ManagementSystem Certification.

Emergency lighting and evacuation indication systems are mainly divided into two categories: centralized power supply and centralized control system,and self-contained power supply and centralized control system.Components of emergency lighting and evacuation indication system:emergency lighting controller ^ + emergency lighting centralized power supply (emergency lighting distribution box) ^ + evacuation indicator lamps ^ + emergency lighting lamps.

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中盛云谷

ThermalInsulation/Fireproof/NoiseReduction/Eco-friendly

Company Profile

Shenzhen Zhongsheng Yungu ElectricalTechnologyCo.,Ltd.was foundedin2O17andislocatedin Guanghui IndustrialPark, Shiyan,BaoanDistrictenen.ltisanterpriseintegatingR&Dproductionsalesanderviceoffirretardantandhat insulatingmaterialsforbuildingventilationducts,aswellasrubberinsulationmaterialsinChina.Thecompany’sproductsare excellent and reliable.Since its establishment,the company has achieved 1 0 0 % customer satisfaction with high-quality products.Its outstanding serviceiswidely recognizedandlearned bypeersintheindustry,enjoyingagoodreputationnationwide.

SpecialThermalInsulationfor Smokeand HeatExhaustSystem GlassWoolFireproofWrapping

FireproofandThermal InsulationAluminumSilicate SpecialCoilWrapping forVentilationDucts

Asbestos-free Fiber ReinforcedFireproofBoard

RubberInsulationMaterial

Specification:
Fire Resistance Rating: 30 minBulk
Density: 36 kg/m³
Thickness: 30 mm
Specification:
Fire Resistance Rating: 60 minBulk
Density: 96 kg/m3
Thickness: 30 mm
Specification:
Fire Resistance Rating: 180 min
Thickness: 9 mm
Specification:
Fire Resistance Rating: 60 minBulk
Density: 48 kg/m³
Thickness: 50 mm
Specification:
Fire Resistance Rating: 120 minBulk
Density: 96 kg/m³
Thickness: 50 mm

Specification: RubberInsulation Board

Specification: Rubber Insulation Tube

Huawei Digital Energy

Company Profile

The DS720-720LCNA1 is a liquid-cooled ultra-fast charging architecture developed by Huawei Digital Energy for new energy vehicle charging.Unlike traditional air-cooled integrated charging piles,it innovatively adopts an all-new liquid cooling technology and a DC bus architecture,consisting of two parts:a power unit and a user unit.The charging host is designed to realize energy conversion and power distribution,supporting a maximum power output of 7 2 0 k W 、It is built-in with 120kW AC/DC and 60kW DC/DC liquid-cooled modules as well as a power sharing unit,and is compatible with the optional configuration of 12-channel gun line output terminals,supporting both liquid-cooled and natural-cooled terminals.

Product Features

Fastcharging&lownoise bersecondwithnoiselevel<55dB Longlifespan&maintenance vicelifeofover10 years Morecharging capacity&high turnover efficiency- 3 0 % higher charging outputand double the turnoverrate.

PROFESSIONAL FIRSTRESPONSIBILITYFIRST

We focus on customer needs and experiences,with the principle of "service first",and continuously improve service quality.We provide 7 ^ { \star } 2 4 hourafter-sales service, which can respond to customer needs in a timely manner and solve problems encountered by customers during use.lnaddition,we also provide various services such as regular inspections，equipment maintenance，and technical training to help customers improve equipment efficiency and reliability,and reduce operating costs.

Service

PROFESSIONALESCORTAND PERSONAL COMPANIONSHIP

Committed to solving global energy problemsand jointly buildinga green home for humanity through technological innovation in the power industry. Promote the development of the power industry and cultivate new generations of electricity profe

There are currently 7O professional securityinspection and maintenance personnel

5people Business consultants

6people Technical consultants

3people Training instructor

4people Plan planner

15people 7people 30people iSalespersoni Project Construction Manager Personnel

Response time of T hour, fully compatible with hardware devices within the system

Power consulting services

Business consulting services

Technical consulting services

Service Scope

Equipment category: including the cost of high voltage switchgear, low voltage switchgear,transformers,high voltage bus bridges,low voltage dense bus ducts, distribution boxes, etc.

Engineering category:including high and low voltage distribution installation projects,power construction costs, etc.

Maintenance,Repair&Testing Costs

Preparation of bidding documents for power engineering,powerequipment, etc.

Service Scope

Equipment category: including detailed design of highvoltage switchgear,low-voltage switchgear,transformers,highvoltage bus bridges,low-voltage dense bus ducts,distribution boxes,etc.,including primary wiring diagrams, layout diagrams, secondary schematicdiagrams,secondary wiring diagrams, primaryand secondary materials,BOM lists,etc.

Engineering:including technical support for high and low voltage distribution installation engineering，power construction,and otheraspects.

Provide technical support required for the preparation ofbidding documents for power engineering,power equipment, etc.

Power professional training

Power professional training

·Electrical Operation Safety Training
·ElectricalSafetyRegulationGeneral
Knowledge Training
·PowerGrid Accident Case Analysis
·Electric Shock Preventionand FirstAid
·Electrical Equipment Safe Operation Training
·TestingEquipmentOperationSafety Training
CQCCompulsory ProductCertification Implementation Rules Contentand Necessity of Equipment
Operation Safety Testing

Targets of electrical training: owners,power supply ureaus,construction uits, and mechanical and electrical personnel

Complete equipment operation training

Powerdetection operationtraining

Complete set of switchgear

·Explanation and Practical OperationofStructure and Functionof3.6-40.5kVMetal-Enclosed Switchgear

a.Five-prevention Interlock Function and Practical Application of High-VoltageSwitchgear
b.Busbar Selection,Assembly and Fabricationof Primary Circuit for High-Voltage Switchgear
c.Position Conversion and Status Judgment of Vacuum Circuit Breakerbetween TestPositionand Working Position
· On-site Explanation and Practical Operation of ConventionalLow-Voltage Cabinet
a.Requirements for Power Transmission Operation Sequence of Distribution Cabinet and Operation of Main Circuit Switch
b.Conductor Selection and Wiring Technology of Low-Voltage Distribution Equipment
· Explanation and Practical Operation of Operation for Marine Low-VoltageCabinet
·Explanation and Practical Operation of Operation for Distribution BoxSeries

Component Class

· Working Principle and Troubleshooting of 10kVVacuum Circuit Breaker

·Commissioning of Mechanical Parameters of10kVVacuum Circuit Breaker ·Five-prevention Interlock Operation Sequenceand Position Judgment of High-Voltage Complete Sets of Equipment

Customizable training according tocustomerneeds

Measurementclass

. Precision Types and Measurement Applications of Length Measuring Instruments ·Testing Operation of Loop Resistance of Main Circuit in Distribution Equipment · Testing Operation of Mechanical Characteristics ofVacuum Circuit Breakers ·Correct Operation of Megohmmeters

Testing class

. Functional Detection of Distribution Equipmentby Electrical Test Vehicle

. Correct Usage and Practical Operation of Power Frequency Withstand Voltage Test Device
· Selection and Operating Rules of HighVoltage Withstand Voltage Tester
· Operating Method of High-Current Test Vehicle
· Correct Operation of Ground Resistance Tester

Safety regulations

·Safety Knowledge of Electrical Testing Operation
. Application Requirements for Safety Protective Equipment

OEM of equipment

Prior to undertaking OEM manufacturing,the entrusting company is usually required to sign a cooperation agreementwithourcompany toclearlydefinetherights,responsibilitiesand technicalrequirementsofboth parties. Theentrusting companyshal beresponsiblefor productdesign,brand promotionand sales,whileourcompanyshall take charge of production and manufacturing as well as quality control.

Professional Manufacturing Capabilities

Intelligent Manufacturing

MarketExpansion

Our company has a R&D team of more than 10o members,over 200 professional technical workers and 30- plus quality inspectors.We are equiped with15 highand low-voltage production lines,10 drawer-type production lines and 22 distribution box production lines.We can carry out production in accordance with customer requirements,ensuring product quality and on-time delivery.

Our company is equipped with intelligent and automated manufacturing equipment including digital busbardesign software,fullyautomatic busbar processing equipment,automatic drawer production lines,automatic secondary wiring harness processing equipment,electrical wiring processing centers,and fully automatic computercontrolled wire stripping and bending machines. When customers entrust our company with production, they can reduce equipment investment and operational costs.

By cooperating with our company,customers can leverage our manufacturing capabilities and experience to further expand into the international market,and increase their product production scale and market share.

OEM process

→→@→> REMivethet Confirmthe Departmsintquotes thedlectsit Receive Materials Acceptance finalpiy thnt Arrange delivery

OEM business object

Maintenancetest

Aseriesofinspections,tests and maintenance are conducted regularlyorunder specificcircumstances to ensure the normal operationandservicelifeofelectricpowerfacilitiesandequipment.Themainmaintenance,serviceandtestworkinludesperiodic inspectionsticstsetieestsfultirsllptaldain.omrsice andserviceareprovidedcoveringthefivelinksofpowergeneration,transmision,transformationdistriutionandconsution thepowersystem.Preventiveplansandmaintenancemeasuresareformulatedforpotentialhazardouslinks toguaranteethestable operationofthepowersystem.Maintenance,serviceandtestworkisacrucialtaskinthepowerindustrywhichimstoesurethe reliabilityandsfetyofelectricpowerequpmentandfacilitieseduceeqpmentfailuresandaccidents,andimprovetheualityof power services.

Maintenanceandrepair

Cleaning,Sweepingand Dust Removal

Prevent troublesbefore they occur; DutyweighsmorethanMountTai.

Defects identified during maintenance shall be promptly reported to theclient's responsible person with corresponding disposal suggestions.For defects that can be addressed on-sitewithavailable conditions,immediate onsiteresolutionshall be carried out to eliminate potential hazards,restore equipment functions and ensure the safe and reliable commissioning of the equipment.For defects or faultsthatcannotbe immediately handled on-site due to inadequate conditions,proposed disposal measuresand implementation plans shall be provided in the maintenance reportorin a written form,including thefollowing:

·Replace faulty/defective parts ·Restoretheequipment'scorrect interlockingrelations

Monthlyinspectionservice

Maintenance of the shutter mechanism of switches, maintenanceofearthingswitches,maintenanceof staticcontacts,mechanismlubrication

Switchcabinetdoor hinge inspection

Visualinspectionand handling ofmark andnameplateintegrity

Lubrication of withdrawable switchgear guide rails, Adjustmentof interlockingmechanisms

Tightening ofconnecting bolts,Torque inspectionof mainbusbarconnectingboltfastenings

Monthly Inspection Service:During the contract period of our company's annual 1okV power equipment maintenance and service, we conduct a routine inspection of the client's 10kV power equipment on a monthly basis,and submit the inspection record sheet to the client within the current month for them to keep abreast of the equipment operation status.

Comprehensively monitor and record the operation status of high-voltage distribution equipment under live operation condition.
· Temperature measurement and inspection of busway connection points
·Full-position temperature measurement and inspection of low-voltagedistributionequipment
· Compensation inspection of capacitor cabinets
·For transformers under live operation condition:measure the temperature of all transformer parts and conduct operational noise testing

Security inspectionservice

Safety inspection of distribution equipment isof great importance in the distribution system.In accordance with relevant standardsand specifications,ourcompany conducts safety checks on the distribution system,including inspection of the grounding system in the distribution room,operation inspection of transformers,operation inspection of highvoltage distribution equipment,operation inspection of lowvoltage distribution equipment, and so on.

Preventive testing

Againsthebackdropoftheevercreasingelectricitydemandinpeople'sdailylifeadindustrialproductionitisimatieto ensurethelong-term,safe,rliableandeficientoperationofpowersystems.Howeverpowerequpmentispronetomalfunctions duringprolongedoperation,whichmaydisruptthenormaloperationofpowersystems.Onceafaultoccursinpowerequipmentitwill exertatremendousimpactonpeople’slifeandproduction.Therefore,preventivetestingmustbepriorizedintheoperationof powerequipment.Onlybystrengthening preventivetestingcanpotentialproblemsoftheequipmentbedetectedinadvanceand malfunctionsduringitsoperationbeefectivelyprevented.Atpresent,preventivetestingistheprimarymeasuretosafeguardhesafe operation of power equipment.

[Transformer preventive testing]

Routine tests including DC resistance, insulation resistance and AC withstand voltage are conducted on power transformers to verify their compliance with operational standards.

[Power cable preventive testing]

Routine tests including insulation resistance, DC withstand voltage and leakage current are conducted on power cables to verify their compliance with operational standards.

[Busway insulation resistance testing]

Regular insulation resistance testing of busways enablesa better understanding of their operational status.

[Insulation resistance testing for low-voltage cabinetbusbar systems]

Regular insulation resistance testing of the low-voltage busbar system allows the insulation aging condition of low-voltage electrical components to be identified.

[Powersystem harmonic detection]

Harmonics pose significant hazards to power facilitiesand exert varying impacts on different electrical equipment,so their values should be regularly tested to verify compliance with standards.

[Powercapacitor commissioning]

Power capacitors are capacitive loads.During operation,their performance gradually degrades, service life shortens and capacitance decreases with an increase in service life.Regular testing and inspection can improve the power supply quality and the power factor of the power grid.

[Earthing resistance testing]

To ensure the normal operation of power supply equipment and personal safety,the earthing resistance of all power supply equipment shall be tested regularly (Electrical parameter: Earthing resistance R <= 4 \Omega required).

EmergencyRepair

Ourcompanyhasateamofprofesional technicalpersonnelanddedicated poweremergencyrepairvehicleson24/7 standby. Equippedwithfullrangeofsmall,mediumandlageemergencyepairquipmentaswellassuientspareparts,weguaranteean on-sitearrval within1houracros Shenzhen,enablingus toquicklyrestorepowersupplyforcustomersandresolvepowersystem issues efficiently.

Equipment upgrade and renovation

Traditionalpowerequipmentfailstoenablecustomerstointuitivelyandclearlygrasptheoperatingstatusofpowersystemsand thepotentialrisksarsingfromimproperordelayedmaintenance.Byrenovatingcustomerspowersystems toachievedigital upgradingandadingcommunicationmodules,ecandigitizetheoperationaldataofpowersystems,allwingcustomerstoclearly monitorequipmentoperationanytimeandanywhere.Thisrealizesremote monitoring,enablesthepredictionofpotentialfaults in power systems,and facilitates the formulation of proactive response measures.

Third party testing

MA

Our company has obtained the CMA Metrological Certification certificate and boasts a professional technical team consisting of 4 engineers,6 assistant engineers,10 Class l Constructors,15 Class IlConstructors,18 high-voltage electricians,10low-voltage electricians and 2 relay protection technicians.We provide customers with comprehensive,objective and independent services including equipment testing,engineering quality inspection,environmental impact assessment,safety assessment,energy audit and certification services,so as to ensure the safe,reliable and efficient operation of customers' power systems.

Independence andNeutrality

Product
Inspection
Credibilityand
Traceability

Intelligent operation and maintenance

Our company delivers digital upgrading for power systems and even entire industrial parks. Leveraging tools such as the Internet of Things (loT) and Artificial Intelligence(Al),weprovide customers with digital modeling,conduct full-cycle collection and storage of power distribution and consumption assets and related information,and realize visualized operation and maintenance as wellas mobile remote control.This helps customers more conveniently maintain the operation of their existing power distribution and consumption equipment and assets, achieving intelligent asset management.Moreover, we generate test reports via intelligent devices to provide decision support,assist operation and maintenance personnel in optimizing maintenance plans,reduce power outage faults,and ensure the reliability of power systems.

Improvement of power quality

Withthecontinuous developmentof industryand technology,powerconsumersare placing ever-higherdemandsonpower quality.Meanwhile,manynewtypesofelectricalequipmentintroducevariouselectromagneticinterferences,whichcausedeviations involtage,currntorfrequencythatleadtomalfunctionsorabnormaloperationofelectricalequipment.Thesedeviationsinclude frequencydeviation,voltagedeviation,voltage fluctuationandflicker,three-phaseunbalance,instantaneousortransient overvoltage,waveformdistortion(armonics)olgesagnteruption,swellndpowerupplyontiuityissues.qupdith profesional technical teamand specialized equipment,ourcompanyconducts powerquality testing for customers,compiles professional test reports,and provides targeted suggestions forpower qualityimprovementand enhancement.

Power qualityanalysis and monitoring

Harmonic Analysis: Harmonic monitoring is conducted to prevent harmonic pollution, identify harmonic issues and reduce false tripping.Voltage Monitoring:Voltage monitoring is implemented to avoid accidents such as abnormal power outages and damage to precision instruments.

Management Method:

Precise Reactive Power Management Precise Load Curve Management Precise Energy Consumption Indicator Management Precise PowerQuality Management Precise Load Balance Management

Electricity protection services

Forlarge-scaleeventssuchasmajorfestivals,performancesandexhibitions,ourcompanycandispatchprofessionaleninersto beon-sitefordutyandguidancetoensurethesafeandstableoperationofpowersystems.Leveragingvariousprofessonalequipment includingemergencypowersuplyehicles,eproideustomerswitheliablesafeandstableservicesnduaranteetirower generation and consumption demands.

Electricity custody

Weprovide power entrusted managementservices tocustomers with ourprofessional technicalteam,ensuring the safeand stableoperationofpowersystemsandthereliabilityofpowerquality.Forpowerdistributionfacilitiesandelectricalqupmentwe fferafullrangeofprofesionalservicesincludingplanninganddesign,operationmonitoring,hazardearlywarning,maintenance andequipmentoverhaul.Throughtheaboveservices,weachievethepowerconsumptionobjectivesofsafetyenergyonseration andintellgence.ServiceAdantages:Entrustprofessonalworktotheexperts.Weenhancethesafetyandstabilityofyourequipment solveyourworieswithassuredservice,ensureyourpowermanagementcomplieswithspecificationsforahasse-freexperince,nd free you from all troubles.

Extended warranty service

Afterthewarrantyperiod of the products purchased from our company expires,customers may signan extended warranty agreementwithus.Within theagreedperiod,wewillcontinuetoprovideextended warantyservicesforthesaid products,which entitlecustomerstothesameservicestandardsasthoseduringtheoriginalwarrantyperiod.Anextendedwarrantyservicecontractis available forall equipment sold by our company.

Benefitsof extendedwarranty services

Cost-saving:Inefqualitsuringeeedwarrantypdwewillpovdefreioelacemetofartsoedbyte extendedwarrantyaboostsincudedforcustomersHassle-free:Servicesprovidedbyoriginalfactoryprofessoalengieerswithtong technicacapabiliingttiosreartforeitfentplallduompaile relevant issues for you efficiently and promptly.

Green energy consumption plan

Itisastrategicsolution thatadvocatestheuseofrenewableenergyandtheimprovementofenergyeficiencytoreduce the negativeenvironmentalimpactsandcarbonemissions.Itmainlycoversrenewableenergyhigh-eficiencyenergytechnologies energy management，energystorage,greenbuildings，electricmoblityandotheraspects.Byimplementinggreen energy consumptionsoltions,thepowerindustrycanachieveeficientenergutilizationreducecarbonemissonsprotecttheevoment and realize sustainable development.

Digital upgrade

Itisatransformationmodelthatleveragesadvancedinformationtechnologycommunicationtechnology,theInternetofThings (loT),rtiaintellgence(Alndtrmeastodieompreeniediialupraingfporstes.Itsoectie todigitizeandnalyepowerconsumptiodatamproetheperatioaleficiencyfetyndreliabilityofpowersystemsild smartgrid,enanceenergyefiiencyandeableuserstogainacarerunderstandingofthesageandoerationsatusfpower systems.

Improve Efficiency

Real-timeMonitoringand Predictive Maintenance

Risk Early Warning

Through digital upgrading, equipment is integrated with information technology to realize data collection,analysis and remote monitoring,thereby improving the automation and efficiency ofequipment operation.

Digital upgrading helps customers monitor the operational status of equipment in real time,conduct predictive maintenance,reduce equipment failures and downtime,and improve the stability and reliability of production.

By leveraging digital technologies to collect and analyze data,we can predict potential future risks to the power system caused by improper or delayed maintenance as well as the aging of electrical components,pre-judge possible malfunctions of the power system, take proactive response measures in advance,and help customers optimize production planning and resource allocation.

" Double carbon" energy-saving transformation

With the supportofaseriesof energy-saving technologicalupgrades andpowersystem management measures,wedrive the greenandlow-carbontransformationofvariousindustries,addressgloballimatechange,achievesustainabledevelopmentandalign with thenational“DualCarbon"strategy.Throughthedigitalupgradingofpowersystemsandtheintegrationofcommunication technologies,weoptimizeandtransformtheoverallpowersystembymeansofrenewableenergypowergeneration,of-peakpower consumptioninstalltionofenergystorageequipment,adjustmentofelectrityusagehabitsandotherapproaches.Wileducing theenvironmentalimpactofthepowersystem,this helpsenterprises proactivelyrespondtothenational carbonemissiontrading policy to be implemented,and further boost their economic benefits.

Integration of "O" carbon buildings

1.Clean Eergyand EnergyStorage System:Adoptahigh-eficiencyenergysystemincdudingrenewableenergypowergeneration systems (e.gotovoltaic,ind,ydrondaiergy)nditegateitithintellgentenergystorageanddtrbutioteo achievetheself-sufficiencyof electricalenergy resources forbuildingsandthe goalof "zero"carbon emissions.

2.Overall Building Energy-SavingDesign Scheme:Attheinitialstageof theoverallbuildingdesign,energyconservationnd intellgencearencorportedintotdsigseesoreciples.vragingndltologiesodctd modeling fromthepowergenerationsidetotheectricityconsumptionterminal,stablishneectricaleergy-savingation system,realizetheinteligentregulationofelectricityconsumption terminals,andimproveenergyutilizationeficiency.

Resilient Operation Carbon Footprint
Green Zero- Building Energy Building Green Park Power of the Energy Management
Carbon Conservation: Power Generation: Networking: Network: and Trading:
Building Active+Passive Building Renewable Construction of Multi-Energy Carbon Monitoring, Energy Conservation Energy Power Generation the Park Microgrid Coupled Verification Self-Sufficiency and Trading
New Energy ^ + Intelligent Intelligent Intelligent Intelligent Intelligent Carbon
ICT Integation Lighting.-YAC MouaCatbam Management and Control Intelligent Control Optimization

Mentality determines state,mind determinespattern,and vision determinesrealm.

Looking towards the future,Guanghui Electric will implement the newdeve pmentconceptand promotehigh-qualitydevelopment.Guided by theoverall development strategy of the company,relying on projects,focusing onmarket development,adjusting business structure,and innovating businessmodels.Continuously enhancingcore competitiveness,becomingan influentialbackboneenterprise in China's power industry,gradually buildinga managementoriented,technical oriented,and first-class power construction generalcontractor,and striving to provide customerswith high-quality services inmultiple fields at adeep level.

In the days to come, the company will continue to uphold the service tenetof qualityas the foundationand building the future,and wholeheartedly providesafer,higher quality,and more efficient services forour customers.

BASED ONTHE PRESENTAND LOOK TO THE FUTURE

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Shenzhen Guanghui Electric Apparatus Industry Co.,Ltd.

Address:Guanghui Industrial Park,No.5 Yinggong Fourth Street,
Tianbao Road,Shiyan,Bao'an District,Shenzhen
Phone: 400-656-0755
Email:guanghui@szgh.cc
Website:http://www.guanghui.com.cn/