The Hong Kong Standards And Testing Centre Ltd (STC)

We offer radio frequency and electromagnetic testing services for customers. We use high-quality equipment to test and provide precision results. Our services are professional and reliable. Providing technical support services.Assist and strengthen the product modification.To 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. 

Radio Frequency and Electromagnetic Testing

V-Trust Inspection Service Co., Ltd

This lab testing service is carried out by a group of professionals for added effectiveness. The advanced machines and technologies used help guarantee added accuracy. This lab testing is compatible with CPSIA, REACH, CE and RoHS certifications. 	 Efficient and reliable. 	 With excellent after-sales supports.  

Lab Testing

We can offer a comprehensive calibration service. We have a professional team to offer accurate calibration results. We provide great calibration services according to recognized national standards. Accurate results.Traceable to recognized national standards.To 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. 

Calibration Service

Wide Expertise in the Power Tools Industry  V-Trust's inspection services for power tools provide invaluable support to buyers, ensuring that products comply with safety requirements and quality standards.  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 

Power Tools Product Inspection

ESG VISA Limited

A data-driven ESG report designed for listed companies to reduce compliance costs, enhance disclosure quality, and deliver measurable green impact.  

ESG Report for Listed Firms

V-Trust is now providing you a bridge to over 4,000 labs with the CNAS accreditation. These labs&#39; reports are generally accepted in most of countries all over the world, including EU, USA, Canada, UK, etc. Many testing equipments are standing idle because they are serving for internal customers and they have not approached to the overseas markets. 	 The testing price of such labs is 30% lower compared with the price of other labs. 	 There are 4,342 labs with CNAS accreditation in China (statistical data from CNAS till Nov. 2011). 	 All of the labs are also accredited the members of ILAC.  

Laboratory Testing

 	 With our own qualified and accredited in house labs, V-Trust can manage the testing of samples according to your requirements, your market&#39;s local regulations and government&#39;s standards efficiently. We provide various qualification testing services, such as, CE, EMC, RoHS, REACH, CPSIA, EN71, ASTM, Oeko-Tex, etc.  

Wide Expertise in the Home Appliances Industry  V-Trust's inspection services for home appliances provide invaluable support to buyers, ensuring that products comply with safety requirements and quality standards.  By identifying potential defects, electrical hazards, and performance issues before products reach the market, V-Trust helps buyers mitigate risks and avoid costly problems.  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 

Home Appliances Product Inspection

We offer professional gift and premium testing services for customers. We have regular services and priority services for your selection. We use high-quality equipment to test and offer precision results. Regular services: 8-10 working days for microbiological and chemical testing.Priority services: 3 working days.To 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. 

Gift and Premium Testing

HONGKONG YILAW INSPECTION AND TESTING TECHNOLOGY CO., LIMITED

During Production Inspection (DuPro) For Electrical &amp; Electronic ProductMonitor ongoing production to detect issues early and maintain product quality. Service Highlights Conduct in-line checks on partially finished goods Review production progress, defect rates, and rework status Verify adherence to specifications and quality standards Monitor corrective actions and process controls Provide regular reports with findings and recommendations Why Choose ECQA Experienced inspectors across key sourcing regions Standardized inspection procedures for consistency and reliability Transparent inspection reports with photos, checklists, and defect trends Flexible scheduling during production phases About ECQAECQA is a third-party inspection and quality control service provider operating across Asia, Europe, and other major global manufacturing hubs. We offer product inspections, factory audits, testing, and certification to ensure quality and compliance. Book DuPro Inspection TodayDetect problems before they escalate. Contact us for a quotation. 

DuPro For Electrical & Electronic Product

TUV Rheinland HK Ltd

  Our Audits  
We perform audits based on the specifications of the R&amp;TTE directive. We also perform compatibility inspections and quality inspections. These include:   Audits for electromagnetic compatibility   Audits for radio test series   Audits for electrical safety and compliance with health and safety regulations   Notification in individual EU countries   Audits for compliance with interface parameters in line with national and international standards and individual manufacturer specifications   Compatibility and quality inspections for analog and digital terminals and devicesIssuing an audit report and a certificate  

Radio Installations and Telecommunications Products Testing

For consumers to make more informed choices regarding water efficiency when purchasing household appliances the Water Supplies Department (WSD) of the Hong Kong government has made it mandatory for water supply piping and water fitting products under specified categories (Annex to Form WWO 46) to obtainGeneral Acceptance (GA) certification before products could be placed on the market.  At STC, we provide one-stop tapware and WC testing services that includes testing and submission of GA certification applications and Water Efficiency Labeling Scheme (WELS).  Tapware &amp; WC Testing services General Acceptance (GA) LetterWater Efficiency Labeling Scheme (WELS)Sanitary Tapware (BS EN 200)WC Pans &amp; WC Suites (BS EN 997)To 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.   

Tapware and WC Testing

Wide Expertise in the Lighting Industry  V-Trust's inspection services for lighting products provide invaluable support to buyers, ensuring that products comply with safety requirements and quality standards.  By detecting potential defects, electrical issues, LED parameters 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.  Lighting Products We Inspect LED Bulbs &amp; TubesPanel LightsFlood LightsStrip LightsStreet LightsLEDs, drivers &amp; componentsOtherWhy 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 

Lighting & Lights Product Inspection

Confirm your products meet hazardous substance restrictions under RoHS directives. Service Highlights Test for lead, mercury, cadmium, and other restricted substances Analyze materials and components for compliance Ensure conformity with EU environmental regulations Prevent customs delays and market recalls Provide official RoHS compliance reports Why Choose ECQA Experienced inspectors across key sourcing regions Accredited laboratories for precise substance analysis Transparent reports with lab data and certification evidence Flexible scheduling to align with production and shipping About ECQAECQA is a third-party inspection and quality control service provider operating across Asia, Europe, and other major global manufacturing hubs. We offer product inspections, factory audits, testing, and certification to ensure quality and compliance. Book RoHS Testing TodayProtect your market access. Contact us for a quotation. 

RoHS Testing

AIGS Lab Co., Ltd.

AIGS's full report or gemstone identification report comes in a standard A4 size (21.0 x 29.7cm) hard cover. The report identifies the gemstone and sometimes upon client's request, we also state the origin of the gem whenever possible. Gem dealers often use our certificates to add value to their gemstones.
 
  In the bottom right hand corner of the report is AIGS's security seal that will identify the report to be authentic. 
  To check authenticity of the certificate, just scan the QR code on the top of the certificate. 
 

Full Gemstone Report

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 R&amp;TTE: 27 MHz Remote controlled Transmitter and Receiver27 MHz Walkie Talkie40 MHz Remote controlled Transmitter and Receiver433MHz Remote controlled Transmitter and Receiver868MHz Remote controlled Transmitter and Receiver2.4GHz Remote controlled Transmitter and ReceiverTo 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 R&TTE

V-Trust Inspection Service Co., Ltd offers professional During Production Inspection (DPI) service for our clients. The DPI is performed when at least 10% of an order is completed. It can uncover problems at an earlier production stage. It also helps you supervise whether the production process is on schedule. 	 Allowing more time for reworking and correction. 	 Rich experience.  

Inspection

Biggest Product Inspection Company in Asia Using Full-Time Inspectors Only At V-Trust, we understand the challenges buyers face when sourcing from Asia. Our team works closely with you to tailor our services to your specific needs. From inspecting materials and components to supervising the production line and checking the quality of finished products, we are dedicated to ensuring that your products meet the highest standards. V-Trust engineers evaluate a wide range of critical factors, including quantity, appearance, performance, safety, workmanship, assembly, materials, size, and more. With over 2,500 specialized checklists customized for your unique products and requirements, we deliver precision and reliability at every step. Product Inspection Services We Provide Pre-Shipment InspectionDuring Production InspectionProduction MonitoringContainer Loading SupervisionSample Check﻿Inspections are arranged within 2–3 days to accommodate even the busiest schedules, with detailed reports including photo and video findings issued within 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 

Inspection | Third Party Product Quality Inspection Services in China

Water is the essence of life and we place great emphasis on the quality of water through STC extensive water quality testing services. Acquiring HOKLAS accreditation for tap water, drinking water, cooling tower water testing and more, our environmental analysis team can identify chemical, physical and microbiological parameters with reference to WHO, BP and GB standards to ensure safety compliance.  Additionally, the emission of hazardous substances into the air such as volatile organic compounds (VOCs) and formaldehyde have also become an increasing concern for public health. STC’s experienced chemists and state-of-the-art VOCs chambers can access and detect even trace amounts of hazardous substances in building materials, furniture, and home decorations.  Our Environmental Surveillance &amp; Analysis services include: Drinking Water Heavy metal analysis(e.g. lead, cadmium, chromium, nickel, copper, antimony, etc.)WHO standards, WSD Circular LetterPurified water in containers(BP 2017, GB 5749, GB 8537, FDA, etc.)Water Filter Performance TestingRadioactivityGuidelines for Drinking Water Quality(2007 ed.)Purified Water Water for Analytical Laboratory Use(ISO 3696)Quality Water Supply Schemes for Buildings–Fresh Water (Plus) Chemical and Microbial testing(e.g. iron, colour, conductivity, pH value, turbidity; coliform organisms, E. coli)Heavy metals(e.g. lead, cadmium, chromium, nickel)Guidelines on Cleansing &amp; Disinfection of Fresh Water Inside Service Chemical testing(e.g. colour, conductivity, pH value, turbidity, free residual chlorine)Microbial testing(e.g. count of E. coli, heterotrophic plate count)Waste Water &amp; Cooling Tower Water Chemical analysis(e.g. BOD5, COD, Odor, Oil and grease content, SV30, etc.)Metal content(e.g. lead, cadmium, chromium, nickel)Microbial testing(e.g. coliform organisms, E. coli, fecal coliforms, Heterotrophic plate count, Legionellapneumophila, etc.)Air Quality Microbial quality testing(e.g. particle count, airborne bacteria, yeast and mould count, etc.)Volatile Organic Compounds VOCs(e.g. dichloromethane, methylethyl ketone (MEK), toluene, benzene, etc.)Formaldehyde Compliance(ASTM D5582, ASTM D6007, ASTM E1333, CARB/EPA TSCA Title VI, EN717-3, EN120)Plastic Testing Identification and Conditioning testingChemical analysis(e.g. bis-phenol A, PAHs, phthalates, etc.)Metal Testing Alloy Composition TestingCorrosion Testing(e.g. salt spray, etc.)Nickel ReleaseMetal ImpurityIf you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/contact To 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. 

Environmental Analysis

V-Trust Standards Technical Services Co., Ltd.

Biggest Product Inspection Company in Asia Using Full-Time Inspectors Only At V-Trust, we understand the challenges buyers face when sourcing from Asia. Our team works closely with you to tailor our services to your specific needs. From inspecting materials and components to supervising the production line and checking the quality of finished products, we are dedicated to ensuring that your products meet the highest standards. V-Trust engineers evaluate a wide range of critical factors, including quantity, appearance, performance, safety, workmanship, assembly, materials, size, and more. With over 2,500 specialized checklists customized for your unique products and requirements, we deliver precision and reliability at every step. Product Inspection Services We Provide Pre-Shipment InspectionDuring Production InspectionProduction MonitoringContainer Loading SupervisionSample Check﻿Inspections are arranged within 2–3 days to accommodate even the busiest schedules, with detailed reports including photo and video findings issued within 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 

SGS HK Ltd

If you want your products to be safe and to appear on the market as quickly as possible, you must be sure that they comply with relevant chemical and material requirements and restricted substance regulations. With qualified experts and state-of-the-art laboratories around the world, we provide manufacturers, distributors, and suppliers of electronic products with customizable solutions to help ensure compliance and meet consumer demands for safety and reliability. Why choose chemical and material services from SGS? We offer a wide range of chemical, mechanical and physical property tests to ensure product safety. These include tests for chemical compliance to all applicable restricted substance regulations, such as: RoHSREACHCalifornia Proposition 65WEEEFood contact material regulations Chemical and material services from SGS – ensure that your electronic products meet relevant requirements and regulations.  

Restricted Substance Testing

The Hong Kong Standards and Testing Centre provide a full range of professional testing, inspections and certification services for customers in Hong Kong, mainland China and the global market. Provide professional testing service. Full range of professional testing, inspections and certification services.Suitable for different products, such as chemicals, food, electrical, textile, and others.Accredited by China National Accreditation Service for Conformity Assessment (CNAS).Accredited by Federal Communications Commission (FCC).Accredited by Deutsche Akkreditierungsstelle GmbH (DAkkS).For customers in Hong Kong, mainland China and the global market.To 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. 

Professional Testing Service

Biggest Product Inspection Company in Asia Using Full-Time Inspectors Only At V-Trust, we understand the challenges buyers face when sourcing from Asia. Our team works closely with you to tailor our services to your specific needs. From inspecting materials and components to supervising the production line and checking the quality of finished products, we are dedicated to ensuring that your products meet the highest standards. V-Trust engineers evaluate a wide range of critical factors, including quantity, appearance, performance, safety, workmanship, assembly, materials, size, and more. With over 2,500 specialized checklists customized for your unique products and requirements, we deliver precision and reliability at every step. Product Inspection Services We Provide Pre-Shipment InspectionDuring Production InspectionProduction MonitoringContainer Loading SupervisionSample Check﻿Inspections are arranged within 2–3 days to accommodate even the busiest schedules, with detailed reports including photo and video findings issued within 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 

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.  

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