HONGKONG YILAW INSPECTION AND TESTING TECHNOLOGY CO., LIMITED

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

Surface Mount Technology Ltd

 The high-tech soldering service comes with great quality, efficiency and function. Over 80% of the surface-mount technology (SMT) lines are lead-free and comply with RoHS standards. It is a&nbsp;prompt and environmentally-friendly option&nbsp;for refined soldering. 
 
  Structured system ensures precise operation. 
  With advanced facilities and equipments. 
 

RoHS and Lead-Free Soldering Service

 Our research and development service focuses on switching-mode power and micro controller. We produce standard-design products with high quality, function, and precision. We also engage in providing tailor-designed electronic solutions and upgrade of OEM products. 
 
  Structured systems for great efficiency. 
  With advanced facilities and equipments. 
 

Research and Development

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

All electrical and electronic products that manufacturers plan to sell in the United States must comply and meet relevant RF and EMC requirements under the&nbsp;Federal Communications Commission (FCC).

FCC&nbsp;testing and authorization involves two approval procedures - &#39;Certification&#39;&nbsp;and &#39;Supplier&rsquo;s Declaration of Conformity (SDoC)&#39;.

The approval procedure required to be used is specified in the applicable&nbsp;FCC&nbsp;rule part(s) that apply to the radio frequency functions of a device or an end product. In general, except when otherwise stated in a rule, intentional radiators(transmitters) arerequired to be approved using the certification procedure,and unintentional radiators (e.g.digital circuitry) are approved using the&nbsp;SDoC&nbsp;procedure.

STC&rsquo;s technical competence meets&nbsp;FCC&nbsp;requirements for various scopes of accreditation for testing performed in support of&nbsp;SDoC&nbsp;and Certification.

  FCC Recognized Accredited Scope   	 Unintentional Radiators&nbsp;(FCC Part15 Subpart B) 	 Intentional Radiators&nbsp;(FCC Part 15 Subpart C) 	 U-NII without DFS Intentional Radiators&nbsp;(FCC Part 15 Subpart E) 	 UWB Intentional Radiators&nbsp;(FCC Part 15 Subpart F) 	 White Space Device Intentional Radiators&nbsp;(FCC Part 15 Subpart H) 	 Industrial, Scientific, and Medical Equipment&nbsp;(FCC Part 18)  If you have any further question, please feel free contact us at&nbsp; enquiry@stc.group &nbsp;or visit our website:&nbsp; https://www.stc.group/en/contact 

FCC Testing

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

Unitronics Company Limited

We provide our electronic manufacturing services (EMS) to various industries. In PCB Assembly, we utilize most assembly technologies, including Thru-Hole axial/radial assembly and SMT assembly. Our manufacturing stage supports services like small batches (samples), pilot runs, mass production, and logistics management.  PCB Design for Manufacture and Assembly (DFMA)Design for testability (DFT)Quality and TestingLogistics management

Manufacturing Capabilities & Support Services (EMS)

We offer professional inspection services for customers. We cooperate with inspection bodies in Asia, Europe and USA. We have a well-experienced team to handle assorted assignments. With worldwide co-operation with inspection bodies in Asia, Europe and USA.Professional and reliable.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. 

Inspection Service

Mecca Electronics Co Ltd

X-Ray InspectionX-Ray Inspection is a non-destructive test method used to examine hidden solder connections, such as those under BGA and QFN components. It effectively identifies defects like solder voids, bridges, and misalignment that are invisible to the naked eye, ensuring the structural and electrical integrity of complex PCB assemblies. 

X-Ray inspection

We provide a wide variety of inspection services for all types of consumer products. We also provide factory audit services. We have a worldwide network of co-operation with inspection bodies in Asia, Europe and USA. Reasonable prices.Good reputation.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. 

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

Chemical for Electric Toys and Children's Products EU Directive 2011/65/EU: ROHS 2Following substances are restricted:	Lead	Cadmium	Chromium VI	Polybrominated Biphenyls (PBB)	Polybrominated Diphenyl (PBDE)	Bis (2Ethylhexyl) Phthalates (DEHP)	Butyl Benzyl Phthalate (BBP)	Dibutyl Phthalate (DBP)	Diisobutyl Phthalate (DIBP)	MercuryIf you have any further question, please feel free contact us at enquiry@stc.group or visit our website: https://www.stc.group/en/services/detail/european-toy-safety

EU ROHS Chemical Testing

EMC Toys Testing Electromagnetic Compatibility for Toys Whole toy testingAS/NZS CISPR 14, C-Tick(RF toys)EN 55014-1/55014-2RED (RF toys)FCC Part 15 (RF toys)If you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/services/detail/toys  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. 

EMC EN 55014 Toys Testing

Radio frequency and electromagnetic compatibility (EMC) Testing: The EMC testing service reveals the performance of your products in electromagnetic conditions.Conducting RF testing, electromagnetic compatibility testing (i.e. electromagnetic interference &amp; electromagnetic susceptibility) in accordance to standards of Australia, Canada, China, Europe, Hong Kong, Japan, Kuwait, Korea, New Zealand, Saudi Arabia, the United States, etc.Providing technical support services.Assisting customers on product modification in order to meet stringent standards of various countries.The international certifications that we can assist customers to obtain, and accreditation/recognition that we have gained: (Europe) CE, RTTE Certification; (Germany) DAkkS; (USA) FCC, TCB; (Canada) IC; (China) CNAS; (Australia/New Zealand) C-Tick; (Japan) VCCI; (Hong Kong) HKSI.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. 

EMC Testing Service

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

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

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.  European (&amp; Australia / New Zealand) EMC Test:  A. Components (with external antenna jack) ReceiverReceiver with CD/VCD/DVD playerB. Components (without external antenna jack) DC Operated AM/FM RadioDC Operated AM/FM Radio with AuxAC/DC Cassette RecorderAC/DC AM/FM Radio with AuxAC/DC with CD &amp; Radio + (Optional Aux)Hi-Fi + CD + Radio + Amp + (Optional Aux)AC/DC SpeakerC. Household equipment DC with motor/electric w/o electronicDC with electronic which is less than 15MHzDC with motor and electronic which is less than 15MHzAC/DC with electric but w/o electronic and thermal switchAC/DC with electric and thermal switch but w/o electronicAC/DC with electronic and motor but w/o thermal switchAC/DC with electronic less than 15MHz and with thermal switchAC/DC with electronic more than 15MHz and thermal switchD. Information technology equipment No data transfer, No electronic (EN61000-6-3, EN61000-6-1)No data transfer, with electronic (EN61000-6-3, EN61000-6-1)With data transfer, with electronicE. Lighting Equipment DC w/o electronicsAC/DC w/o electronicsDC with electronicsAC/DC with electronics but w/o fluorescent lampAC/DC with electronics with fluorescent lampEnergy saving lampElectronics ballastF. Toys DC with motor/electric w/o electronicDC with electronic less than 15MHz w/o motorDC with electronic less than 15MHz with motorDC with electronic more than 15MHz w/o motorDC with electronic more than 15MHz with motorDC racing car on track, no electronicsAC/DC racing car on tracks, no electronicsGame controller for console [e.g. Playstation, Dreamcast, N64, etc.]G. Generic Products DC operated without infra red e.g. calculator, clock, camera, solar panel etc.DC operated with infra red e.g. calculator, clock, camera, solar panel etc.AC operated calculator, clock, fan (use in computer) etc.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. 

EMC Tests for European Standards

GRG METROLOGY & TEST GROUP CO., LTD.

GRGTEST technical capabilities cover 2.5D and 3D packaged integrated circuits, and it can provide comprehensive technical services such as failure location analysis (FA), wafer-level material and process failure analysis (MA) for various failed components. Service capabilities Component failure analysisPCB, solder joints, board card failure analysisMetal fracture failure analysis

Failure Analysis 

HQTS Group Ltd

We provide a wide range of inspection services to ensure your product quality at any stage of the production procedure. Our inspection service range includes pre-production inspection (PPI), during production inspection (DPI), pre-shipment inspection (PSI) and loading supervision. With advanced equipment and rich experience, we are sure to provide you with a complete, detailed and reliable inspection service.

 
  High-quality inspection service. 
  Efficient and reliable. 
 

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

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 

EMC Toys Testing Electromagnetic Compatibility for Toys Whole toy testingAS/NZS CISPR 14, C-Tick(RF toys)EN 55014-1/55014-2RED (RF toys)FCC Part 15 (RF toys)If you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/services/detail/toys 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. 

EMC FCC Part 15 Toys Testing

Guangzhou Weinspection Co., Ltd

 	 Pre-Shipment Inspection, During Production inspection Container Loading Supervision Factory Audit, Laboratory testing  

Inspection

Shenzhen Huachuang hengda Technology,Ltd

The electronics manufacturing services(EMS) we provide cover almost the entire product cycle, from electronic design, prototyping, and PCB assembly, to cable and harness assembly, full system integration, product testing, and supply chain management. Our full-service electronic manufacturing services are characterized by superior quality and fast turnaround times, which enable us to meet the various project needs of our customers. 

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