GRG METROLOGY & TEST GROUP CO., LTD.

GRGTEST has been deeply involved in the automotive field and has established a complete industrial chain testing and verification capability from materials to complete vehicles. Focusing on the technological evolution requirements of intelligent connected and new energy vehicles, GRGTESTcontinuously improves its core testing capabilities to ensure the technological iteration and product innovation of industry enterprises. 

Vehicle-mounted Electronic Product Testing

Svi Public Co Ltd

Electronic manufacturing service, start from PCBA to Final Assembly. Factories located in Thailand, Austria, Slovakia and Hungary. 	 Audio 	 Medical 	 Telecommunication 	 Industrial 	 Transportation 	 etc.,  

Electronic Manufacturing Service - Audio Equipment

Electronic Manufacturing Service
Our industry focus includes industrial products, high end telecommunications, office automation, professional audio and video products, automotive electronics, medical devices, etc. The advanced solutions are sure to keep you on the cutting edge.

Electronic Manufacturing Service

Refined Motor Company Limited

Refined Motor Co. is a Hong Kong automotive EV technology provider offering certified electric conversion systems, technical expertise and regulatory support to industry partners. With in-house patented modular powertrain technology and full government compliance accreditation, the company enables automotive workshops, restoration studios and trade partners to deliver professional, road-legal EV conversion services without extensive in-house EV research and development.Our partnered electric conversion programme is a collaborative B2B service designed for automotive workshops, vehicle restoration companies, car dealers and automotive industry partners looking to expand their service portfolio into certified EV retrofitting. Under this partnership model, Refined Motor Co supplies fully developed, tried-and-tested modular electric powertrain kits, standardised engineering blueprints, technical guidelines and step-by-step conversion protocols to partner businesses. We provide continuous technical consultation, system calibration support and regulatory compliance guidance throughout every project stage.Partner teams manage vehicle disassembly, body preparation and mechanical assembly, while our professional engineering team oversees critical system integration, safety validation, quality assurance testing and final government certification approval. This cooperative framework allows industry partners to launch legitimate, market-ready EV conversion services with reduced risk, lower development costs and faster project lead times. We maintain consistent quality control, standardised safety benchmarks and full regulatory traceability, helping partners build a reputable and compliant EV service offering for local and regional clients. 

Partnered Electric Conversion

The Hong Kong Standards And Testing Centre Ltd (STC)

Our Electrical Products Division offers a wide range of services to ensure the safety of office and home appliances, including: Providing technical support services at different design stagesOffering a full scope of electrical safety testing serviceProviding one-stop product safety testing and certification services according to customer specifications and relevant product standards, e.g. screening test for RoHS, tests for PAHs and California Energy Efficiency test Consumer Electronics Appliances Safety Test for EN/IEC 60065: AV Product (less than 50W)AV Product (more than 50W, less than 300W)AV Product (more than 300W)Television setTo know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

Consumer Electronics Appliances Safety Test

SGS HK Ltd

Developing the highest quality electrical and electronic (E&amp;E) goods that are safe and energy efficient is a complex challenge in today’s competitive market. Our holistic Total Solution Services for E&amp;E products, delivered through our global network of accredited testing laboratories, ensure manufacturers and retailers have access to expert support at every stage of the product life cycle – from design, production and regulatory compliance to the import and export of goods. Our services include:   We understand regulations and standards for every product and target market, and we can help you reduce risk, improve efficiency and ensure compliance. Our experts can help you to incorporate critical construction criteria and compliance requirements from the design stage to the end of the product life cycle. Our Total Solution Services enhance market access and encourage growth. 

Electrical & Electronic Products: Total Solution Services

We provide fully turn-key solutions that integrate innovative EMS products with quality manufacturing. Our industry focus includes industrial products, high end telecommunications, office automation, professional audio and video products, automotive electronics, medical devices, etc. The advanced solutions are sure to keep you on the cutting edge.
 
  Covering a wide industry. 
  Experienced in this field. 
 

EMS Turn-Key

Leading global provider of full turnkey box-build contract electronics manufacturing and design services to the industrial and professional electronics sectors. We have 4 factories located in Thailand, Austria, Slovakia and Hungary with 3,300 employees. 	 Industrial 	 Automotive 	 Telecommunication 	 Medical 	 Audio/video 	 etc.,  

EMS Electronic Manufacturing Services

V-Trust Inspection Service Co., Ltd

Wide Expertise in the Consumer Electronics Industry  V-Trust's inspection services for consumer electronics imported from Asia provide essential support to buyers, ensuring that products meet safety standards and quality expectations.  By detecting potential defects, electrical issues, and performance problems before products are released to the market, V-Trust helps buyers minimize risks and avoid costly issues.  Detailed inspection reports with photographic evidence available within 6 to 24 hours after inspection.  Why V-Trust  ✔ Full-Time Inspectors Only: We do not hire part-time QC staff or outsource to other firms. This approach serves as a key anti-bribery measure and ensures the highest level of reliability in our inspection reports. ✔ Diverse Product Range: Our team covers a wide range of product categories, including electronics, electrical products, lighting, building materials, furniture, home décor, kitchenware, textiles, apparel, and industrial goods. ✔ 2,500+ Checklists: We offer comprehensive checklists for various product lines, drawing on our extensive QC experience. ✔ Online Booking: Easily book services through our advanced online system, and access inspection results and supply chain statistics via the QC dashboard. ✔ Quick and Efficient Service: Receive same-day quotations, with reports available 6 to 24 hours after inspection. We also offer free laboratory testing and regulatory consultations.  About V-Trust  V-Trust is the largest product inspection company in Asia, employing only full-time inspectors. With over 600 staff across 10 Asian countries, we conduct more than 110,000 inspections and audits annually, serving over 13,000 buyers worldwide.  We are experts in the quality control industry, offering a wide range of cost-effective services, including product inspections, factory audits, laboratory testing, and product certification.  V-Trust operates in China and key export markets such as India, Vietnam, Malaysia, Thailand, Bangladesh, Pakistan, Cambodia, Indonesia, and Myanmar.  For more information, please contact us:Website: www.v-trust.com 

Consumer Electronics Product Inspection

Refined Motor Co. is a Hong Kong-based, Transport Department recognised EV engineering firm specialising in road-legal vehicle electrification, retrofitting and compliance-certified automotive innovation. Founded by professional automotive engineers, the company delivers precision-engineered, fully certified electric vehicle conversion solutions for private collectors, premium vehicle owners and discerning automotive clients across Hong Kong and the Greater Bay Area.Our bespoke electric conversion service offers fully customised, one-of-a-kind EV retrofitting tailored exclusively for classic cars, vintage vehicles and special-interest automobiles. Unlike standard off-the-shelf conversions, every project begins with a complete vehicle structural analysis, chassis evaluation and usage requirement assessment to design a fully personalised electric powertrain, battery layout and driving performance profile. Our engineering team custom-tunes acceleration, torque output, range characteristics and weight distribution to align with the owner’s driving style, aesthetic expectations and intended use, whether for daily road use, show display or long-term collection preservation.The full-service process includes custom CAD engineering design, precision component integration, system calibration, comprehensive road and safety testing, as well as complete Hong Kong regulatory documentation and official road-legal certification. We fully preserve the vehicle’s original bodywork, classic styling and interior heritage while completely replacing the traditional combustion drivetrain with modern, zero-emission, reliable electric technology. This premium tailor-made solution is ideal for classic car enthusiasts and private clients seeking unique, high-quality, legally compliant electric classic vehicles with personalised performance characteristics.

Bespoke Electric Conversion

Refined Motor Co. is a Hong Kong ESG-focused automotive technology enterprise specialising in compliant, cost-effective fleet electrification solutions. With strong expertise in commercial vehicle engineering and government-approved EV retrofitting standards, the company helps corporate fleet operators, logistics companies and institutional organisations modernise existing vehicle fleets, reduce carbon emissions and lower long-term operational costs.Our fleet electric conversion service is a professional turnkey electrification solution engineered specifically for light commercial vehicle fleets, including service vans, delivery vehicles, shuttle vehicles and operational fleet cars. We conduct comprehensive pre-project fleet feasibility audits, analysing vehicle usage patterns, daily mileage requirements, payload limits and operational duty cycles to design optimised, fleet-specific electric powertrain and battery configurations. Each conversion setup is calibrated to maximise operational range, improve load efficiency and ensure long-term durability under frequent commercial use.The service includes standardised high-volume conversion workflows, unified safety testing procedures, full regulatory certification, fleet-wide performance validation and structured after-sales maintenance support. By retrofitting existing combustion fleets into zero-emission electric vehicles, fleet owners avoid costly full vehicle replacement cycles while achieving ESG carbon reduction targets, lowering fuel expenses and reducing ongoing mechanical maintenance costs. We deliver consistent, scalable, fully road-legal fleet electrification projects ideal for corporate sustainability upgrades and government green transport compliance requirements. 

Fleet Electric Conversion

Kensen Digital Limited

Kensen Digital is an innovative and technically oriented company focus on developing and manufacturing of digital electronic products including various types of digital radio and wireless technologies such as in-car and portable DAB/DAB+/HD radios. We provide ODM/OEM services as a turnkey solution provider to realize your concepts and ideas. We work with customers closely at all stages of design and manufacture, from concept to finish, to bring unique products. When customers provide concept and specifications, we then work out a rough total cost for design, prototype, and estimated unit cost. 

ODM/OEM Services

In response to the demands of the consumer electronics, smart home, and electronic components fields, GRGTEST has established a full-chain technical service covering component screening, PCB component testing, radio product and consumer product inspection and certification, providing customers with comprehensive and integrated quality control support. Service targets: Consumer electronics, smart home appliances, smart healthcare, power intelligent electronics, smart logistics and warehousing systems, etc. 

Intelligent Electronic Testing

Electronic Manufacturing Service - Industrial Product

Refined Motor Co. is a Hong Kong premium classic vehicle restoration and electrification specialist, combining professional heritage vehicle craftsmanship with advanced EV engineering technology. Fully certified under local transport regulations, the company seamlessly merges high-standard vintage vehicle restoration with modern zero-emission electric powertrain retrofitting for classic car collectors and heritage vehicle preservation projects.Our restoration electric conversionservice uniquely integrates full classic vehicle restoration with precision EV retrofitting, designed for vintage, antique and heritage vehicles requiring both aesthetic heritage preservation and modern electric performance. Our restoration team meticulously refurbishes original body panels, exterior finishes, interior trim and vintage mechanical components to either roadworthy or concours show standards, fully reviving the vehicle’s original historical appearance and authentic classic character.Parallel to the restoration process, our EV engineering team integrates perfectly matched modular electric powertrain systems, ensuring the new electric drivetrain complements the vehicle’s restored structure, weight balance and classic driving feel. We synchronise restoration timelines with EV system installation to protect original heritage parts, avoid unnecessary modifications and preserve the vehicle’s historical value. Every completed project undergoes full safety testing, system calibration and official Hong Kong transport certification, delivering fully road-legal, zero-emission classic vehicles that retain timeless vintage aesthetics while offering reliable, clean and modern electric driving performance. 

Restoration Electric Conversion

Hanhong Digital Technology Co., Limited

With the talented in house designer and the strongest R&amp;D team which leads Hanhong to create the unique and excellent products to worldwide clients, all of our products have our private toolings with design patented, we are expert in making some difference whether on the designs or the acoustic technology so as to bring the good branding value for our customers. Also we have strongest R&amp;D team including the electronic engineers, mechanical engineers, acoustic engineer and software developing engineers who assure the enough capacity of doing customized ODM projects with our customers. 

OEM / ODM FACTORY

Wide Expertise in the Home Audio &amp; Speakers Industry  V-Trust's inspection services for home audio and speakers provide essential support to buyers, ensuring that products meet customer specifications and quality standards.  Whether it’s home audio systems or standalone speakers, V-Trust’s inspection process carefully examines product integrity, appearance, and build quality to ensure there are no defects like scratches, dents, or loose parts. Functionality checks focus on sound quality, speaker sensitivity, battery performance, and power output, along with total harmonic distortion (THD) and frequency range. Additional tests cover connectivity, including wired and wireless options, Bluetooth pairing, multi-device compatibility and other tests to confirm product reliability.  V-Trust helps buyers minimize risks and avoid costly issues by providing detailed inspection reports, complete with photographic evidence, available within 6 to 24 hours after the inspection.  Why V-Trust  ✔ Full-Time Inspectors Only: We do not hire part-time QC staff or outsource to other firms. This approach serves as a key anti-bribery measure and ensures the highest level of reliability in our inspection reports. ✔ Diverse Product Range: Our team covers a wide range of product categories, including electronics, electrical products, lighting, building materials, furniture, home décor, kitchenware, textiles, apparel, and industrial goods. ✔ 2,500+ Checklists: We offer comprehensive checklists for various product lines, drawing on our extensive QC experience. ✔ Online Booking: Easily book services through our advanced online system, and access inspection results and supply chain statistics via the QC dashboard. ✔ Quick and Efficient Service: Receive same-day quotations, with reports available 6 to 24 hours after inspection. We also offer free laboratory testing and regulatory consultations.  About V-Trust  V-Trust is the largest product inspection company in Asia, employing only full-time inspectors. With over 600 staff across 10 Asian countries, we conduct more than 110,000 inspections and audits annually, serving over 13,000 buyers worldwide.  We are experts in the quality control industry, offering a wide range of cost-effective services, including product inspections, factory audits, laboratory testing, and product certification.  V-Trust operates in China and key export markets such as India, Vietnam, Malaysia, Thailand, Bangladesh, Pakistan, Cambodia, Indonesia, and Myanmar.  For more information, please contact us:Website: www.v-trust.com 

Home Audio & Speakers Product Inspection

 	 We provide professional quality control services for various kinds of industries. Our services include various detailed tests with accurate data for your products. The services are also provided quickly within a short period upon request. 	 Quantity status 	 Product appearance 	 Performance and function tests. 	 Workmanship&nbsp; 	 Assembly 	 Accessory 	 Material 	 Color 	 Logo 	 Size measurement 	 Weight 	 Assortment 	 Carton status 	 Bar code scan test 	 Packing and marking 	 Shipping marks.  

Electronics Inspection

We provide professional quality control services for various kinds of industries. Our services include various detailed tests with accurate data for your products. The services are also provided quickly within a short period upon request. 	 Quantity status 	 Product appearance 	 Performance and function tests. 	 Workmanship&nbsp; 	 Assembly 	 Accessory 	 Material 	 Color 	 Logo 	 Size measurement 	 Weight 	 Assortment 	 Carton status 	 Bar code scan test 	 Packing and marking 	 Shipping marks.  

Electronics inspection

Pantene Industrial Co Limited

 	 An Established designer, developer and manufacturer of high quality products and services to its OEM and electronics industrial partners.&nbsp; 	 We have rich experience in EMS manufacturing service including design, engineering solutions and service world&rsquo;s famous brands for years. Also, highly sophisticated vertical integration provides one-stop manufacturing service from product design to mass production.  

OEM/EMS Product Design Service 

 	 Full service EMS 	 Including Product Design/Development 	 PCBA to System Build, advanced production automation &amp; test 	 Cleanroom assembly 	 PLM services  

EMS services - Medical and Automotive

TUV Rheinland HK Ltd

Our company produces, tests and certifies&nbsp;a wide spectrum of&nbsp;electrical and electronic products including electrical household appliances, power tools, garden tools, audio and video equipments, office equipments, laser products, electronic components, and luminaries.&nbsp;With your best interests at heart,&nbsp;our products strictly&nbsp;comply&nbsp;with high quality and safety standards. 	 Excellent craftsmanship. 	 OEM is welcome.  

Electrical and Electronic Products

Drawing on a complete understanding of government regulations and policy that apply to electrical and electronics industry, STC can help you to test Radio Frequency (RF) and ElectroMagnetic Compatibility (EMC) in accordance with various international standards.  EMC Tests for FCC and IC standards: A. Digital Devices Computer or peripherals Class AComputer or peripherals Class B (e.g. Keyboard, display card, multi-function card, printer, monitor, mouse and scanner etc.)Digital Devices (e.g. video game, etc.)Game controller for console [e.g. Playstation, etc.]Battery-operated Handheld GamesAC operated handheld games B. Radio Frequency Devices AM/FM Broadcast Receiver (DC)AM/FM Broadcast Receiver (AC or AC/DC)DC operated CD/VCD/DVD PlayerAC/DC operated CD/VCD/DVD PlayerAM/FM Broadcast Receiver with CD/VCD/DVD PlayerCar Radio with CD/VCD/DVD27 MHz Remote controlled Transmitter (1 channel)27 MHz Walkie Talkie (1 channel)49 MHz Transmitter (1 channel)49 MHz Walkie Talkie (1 channel)49 MHz Receiver (1 channel)315 to 433 MHz Transmitter (1 channel)315 to 433 MHz Receiver (1 channel)900MHz Transmitter (1 channel)900MHz Receiver (1 channel)2.4GHz Transmitter (1 Pair)Multi-band Broadcast Receiver (AC or AC/DC)Microwave OvenEnergy Saving LampElectronic BallastPocket TVTo know more or enquire any specific service, please visit https://www.stc.group and fill in our enquiry form on https: www.stc.group/contact. 

EMC Tests for FCC and IC standards

Eurofins MTS Consumer Product Testing Hong Kong Limited  

 	 Examples of electrical and electronic products we test include, but not limited to: Luminaires (IEC/EN 60598, IEC/EN 61347) AV Equipment (IEC/EN 60065) Household Appliance (IEC/EN 60335) Office Equipment / IT Products / Transformer (IEC/EN 60950, IEC/EN 61558) Electrical Power Tools (IEC/EN 60745) Electrical Toy (IEC/EN 62115) Power Bank (UN 38.3, IEC/EN 62133)&nbsp; 	 MTS is capable to perform a wide range of electrical and electronic testings, including: Industry and regulatory standard Safety) Chemical RoHS Compliance Durability and life / climatic tests Energy Efficiency (ErP / Energy Star / CEC) Reliability and Performance Comparative Product Testing  

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