V-Trust Inspection Service Co., Ltd

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

Wide Expertise in the TV Industry  V-Trust's inspection services for TVs and their accessories provide invaluable support to buyers, ensuring that products comply with customer requirements and quality standards.  Whether it is an order of LED TVs or SKD/CKD TV sets, the V-Trust team conducts a thorough assessment of the exterior and screen condition, ensuring there are no physical damages or defects, such as dead pixels or discoloration. Functionality and safety testing covers power, battery, display brightness and quality, sound performance, connectivity options, and other tests before products are released to the market.  V-Trust helps buyers minimize risks and avoid costly issues by providing detailed inspection reports 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.comEmail: cs@v-trust.com 

TV & Accessories Product Inspection

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

The Hong Kong Standards And Testing Centre Ltd (STC)

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

With over 50 years of experience, STC has been a leader in EMC testing and is a&nbsp;Local Certified Body (LCB) under the&nbsp;Office of the Communications Authority (OFCA)&nbsp;of the Hong Kong Government. Our state-of-the-art laboratory, RF and EMC testing chambers allow for ElectroMagnetic Interference (EMI) and ElectroMagnetic Susceptibility (EMS) testing, as well as RF testing for radio frequency products.

STC&rsquo;s EMC testing and RF testing capabilities are recognized and comply with internationally standards to help manufacturers, retailers and importers meet regulatory requirements and quickly get products to international markets.

  Radio Frequency (RF)&nbsp;Testing   	 American RF Standards&nbsp;(ANSI C63.10, 47 CFR Part 15) 	 Australian RF Standard&nbsp;(AS/NZS 4268) 	 Canadian RF Standards&nbsp;(RSS-Gen, RSS-210, RSS-220, RSS-222, RSS-247, RSS-310) 	 European RF Standards&nbsp;(EN 300086, EN 300113, EN 300220, EN 300296, EN 300328,EN 300330, EN 300390, EN 300422, EN 300440,&nbsp;EN 301166, EN 301178, EN 301357, EN 301559,&nbsp;EN 301893,EN 302018,&nbsp;EN 302065, EN 302195,&nbsp;EN 302208, EN 302502, EN 302536, EN 302608, EN 302609, EN 303203, EN 303204, EN 303406,EN 303354) 	 Hong Kong Radio Specifications&nbsp;(HKCA 10XX)  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 

Radio Frequency (RF) 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 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

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

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

Nemko Hong Kong Limited

C-tick marking denotes compliance to the RCM regulation in Australia. It shows products comply with safety, EMC, RF requirements in Australia. 

C Tick 

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

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

TCB Certification processCertification is based on review of test results, technical design documentation and administrative attestations. Guidelines for preparation of these applications and on how to work with Nemko TCB can be downloaded from the links below. The TCB will: Review applications and provide prompt feedbackExplain the rules and regulationsIssue the certifications for compliant productRegister certifications with the regulatory authorities

TCB FCC certification 

Wide Expertise in the Headphones &amp; Earphones Industry  V-Trust's inspection services for headphones and earphones offer essential support to buyers, ensuring that products meet both customer specifications and quality standards.  Whether it is an order of headphones or earphones, the V-Trust inspection process involves a comprehensive assessment of product integrity, appearance, and build quality to ensure there are no workmanship defects, such as scratches or loose parts. Functionality checks include audio quality, charging and discharging tests, battery performance, frequency response, impedance, microphone clarity, as well as testing wired and wireless connectivity and other factors to verify product reliability.  V-Trust helps buyers minimize risks and avoid costly issues by providing detailed inspection reports 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.comEmail: cs@v-trust.com 

Headphones & Earphones Product Inspection

A And P Productions Ltd

we can provide one stop service from OEM and sourcing items under our customer need. please contact us for more information 

 we can provide your own design and OEM project or sourcing business for our customer 

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

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

HONGKONG YILAW INSPECTION AND TESTING TECHNOLOGY CO., LIMITED

FCC (US)Ensure your electronic products meet U.S. Federal Communications Commission requirements before entering the market. Service Highlights Identify applicable FCC rules for electronic and wireless products Conduct electromagnetic interference (EMI) and radiofrequency (RF) testing Prepare and review technical documents, test reports, and labeling Manage certification submission to FCC-recognized bodies Reduce risk of border rejections or costly recalls Why Choose ECQA Specialists in U.S. regulatory compliance and documentation Partnership with accredited FCC-recognized testing laboratories Detailed guidance on labeling, documentation, and certification workflows Streamlined coordination for faster market entry 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 FCC Certification Services TodayAchieve FCC compliance and enter the U.S. market with confidence. Contact us for a quotation. 

FCC (US)

 STC is the first non-governmental laboratory in Hong Kong to receive accreditation from Certification and Accreditation Administration of the People’s Republic of China(CNCA) to provide comprehensive ChinaCompulsory Certification (CCC) testing services.  Our laboratory in Dongguan, is the first non-government organization in China to obtain designated CCC testing laboratory status providing full scope CCC toy testing services and CCC testing services for information technology equipment, lighting products and audio-visual equipment.     STC provides one-stop CCC and support services from application and document preparation to type testing and factory inspection to meet all local and oversea CCC needs.  Audio-Visual Apparatus (GB 8898-2011, GB/T 13837-2012, GB 17625.1-2012) Audio-visual equipmentAudio power amplifiersVarious optical disc playback and processing equipmentRadio receiver for various broadcasting frequencies Combination speakersIf 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. 

CCC China Compulsory Certificate for Audio

Nemko offer expert testing various electrical vehicle charging connector, inlet and socket according to standards IEC 61296 series, and issue CB, and N mark certificate to demonstrate compliance.  

Testing of ELVH charging connector

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

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

Zhongshan Tituo Lighting & Electrical Co., Ltd.

TITK Lighting provides professional OEM and ODM LED filament bulb design and manufacturing services for lighting brands, distributors, wholesalers, and project contractors worldwide.  Our services include custom filament design, decorative bulb development, private label production, custom packaging, customized glass finishes, and complete lighting solutions.  With over 11 years of manufacturing experience, TITK exports high-quality LED filament bulbs to Europe, North America, South America, the Middle East, and Southeast Asia.  We support CE- and RoHS-certified production and offer flexible OEM/ODM solutions for decorative lighting projects. 

OEM & ODM LED Filament Bulb Design and Manufacturing Service

Nemko lab in Korea is accredited to perform Korean KC certification testing for radio and EMC related products. Nemko TCB can issue KC/EMC&amp; RF certification. For KC safety certification, Nemko CB can be recognized by KTC or KETI to review and issue the KC safety certification. 

KC certification

Nemko offer Tupe C testing according to IEC 62680-1-3 and IEC 62680-1-2, to help you show compliance to the EU requirement under RED directive article 3.4 and SASO requirement. 

My Sourcing