UltraOne Technologies Limited

Wide range coverage for indoor/outdoor and wireless bridge solution.  

Wireless Network

Provide wide range networking equipment and cabling system for different sectors, i.e. SME, Education, Hospitality, and Construction Sector.  

Network Infrastructure

The Hong Kong Standards And Testing Centre Ltd (STC)

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

V-Trust Inspection Service Co., Ltd

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

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

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

Professional Display Solution that allow our customers to easily and consistently develop top quality content and create impactful messages via an integrated network media.  

Professional Display Solution

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

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

Services and Solutions: Intelligent Lighting System, Integrated AV Control 

Central Control System

  T&Uuml;V Rheinland&rsquo;s approach to wireless testing is as follows:     Submission of documents and application   Submission of product for preliminary assessment and testing, according to the specified standard, such as 802.11x   Product test approval upon successful completion of test   Report generation and company certification  

Wireless Testing

Daiwa Metal Works Co Ltd

Communal letterbox is composed of multiple small boxes with consistent size and minimal deviation. It usually applies to apartments and business buildings that require unified, formal and professional letterboxes to receive mails. However, according to different applications, more giant communal letterboxes are designed similar to lockers for items stored in public places.  -Durable high-quality stainless steel with rust-proof and good weather resistant ; -Different surface options, such as painting, silk-screen printing and etching; -Customized design as well as wide range of shape and size options. -At least 140mm thickness or more -A single box size less than 1220mmx2440mm  Optional Materials：Stainless Steel#304、 #316； Optional Surface：Painted, UV inkjet printed, Silk-screen printed, Brushed, Satin or Mirror Polished (Plating are available)； Application：Community, office building, apartment, school, fitness room, etc. Application Industrie：Education, Manufacturing, Government, Estate Management, Hotel, Beauty, etc. Sample Display： 

Communal Letterbox

Mecca Electronics Co Ltd

AOI inspectionAutomated optical inspection (AOI) is an automated visual inspection of printed circuit board (PCB) manufacture where a camera autonomously scans the device under test for both catastrophic failure (e.g. missing component) and quality defects (e.g. fillet size or shape or component skew). It is commonly used because it is a non-contact test method. 

3D Automated Optical Inspection (AOI)

Nemko Hong Kong Limited

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

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

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

Customized Independent Letterboxes Office Building Residential Mailbox Whether it's a residential community or a office building, mailboxes are necessary tools for storing letters. We offer a variety of customised mailbox services, including wall-mounted and pedestal-mounted options. It can be customised according to your needs. High-quality stainless steel materials which is durable, rust-proof, and weather resistance;Easy to install, clean and maintain;At least 100mm thickness or more ;A single box size less than 1220mmx2440mm. Optional materials: Stainless Steel#304 #316; Optional surface: Painted, UV inkjet printed, Silk-screen printed, Brushed, Satin or Mirror Polished (Plating are available)； Application: Community, office building, apartment, school, fitness room, etc. Application industry:Education, manufacturing, government, estate management, hotel, beauty, etc.     

Customized Independent Letterboxes

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

STC's EMC testing and RF testing capabilities are recognized and comply with international standards to help manufacturers, retailers and importers meet regulatory requirements and quickly get products to international markets.  Our experts also offer professional technical support services for product improvements and modifications to meet stringent standards of various countries and on-site RF and EMC testing for larger equipment including measurements for offices, giant machinery, casinos, railway EMC Testing and human exposure to Environmental ElectroMagnetic Fields (EMF) testing.  Electromagnetic Compatibility (EMC)Testing American FCC StandardsANSI C63.4, 47 CFR Part 15,47 CFR Part 18Canadian EMC StandardsICES-001, ICES-003, ICES-005European EMC StandardsEN12015, EN12016, EN50121-x-x, EN50130-4, EN55011, EN55013, EN55014, EN55015, EN55020, EN55022, EN55024, EN55032, EN55035, EN60601-1-2, EN61000-3-x, EN61000-4-xx, EN61000-6-x, EN61204-3, EN61326-x-x, EN61547, EN62040-2, EN301489-xxTo 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. 

Electromagnetic Compatibility (EMC) 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

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. 

Common Charger Type C testing 

Pozeen LED LTD

Model：CPSM20HU50K10DA4B6/CPSM55HU50K10DA4B6Color White/Dark Bronze/Black AvailableWatts 13/16/20W or 36/45/55W selectableVolts 120-277VCRI &gt;80CCT 3500/4000/5000K CCT SELECT Maximun Lumens 2205/6600lmBeam Angle 120°Efficiency 120Powerfactor&gt;0.9Dimmable; 0-10V DimmingOperationAmbient-20C--40CAverage Rated Life 50,000H 

LED Soffit canopy

Kinglumi Co Ltd

We have the experience, capability, and R&amp;D resources to make any OEM/OEM integration a glowing success!Kinglumi is an extremely versatile turnkey manufacturer with the ability to bring your concepts and ideas into viable computing solutions. We work with individuals and companies at all stages of design and manufacture, from concept to finish, in a highly focused effort to bring industry level products and services to you.Once customer provides us with concept information and detailed specifications, we will notify them of the total cost for design, prototyping, and estimated cost per unit before the project begins. Kinglumi will work with customers until they are satisfied and all original design requirements are met, and the product performs exactly to customers' expectations. From productindustrialdesign and optics to the power supply and the wired/wireless control system platforms, Kinglumi's OEM/ODM services cover the full project life cycle.​To maximize product availability, Kinglumi employs all sectors of engineers: UI, Optic, Electronic Control, Software, Structure design. Our professional supply chain control and quality tracking system ensures on-stop high quality service. Kinglumi is an ISO9001, DALI(DiiA), SEDEX, and TUV certified company. We maintain stringent quality standards in our manufacturing processes, and ensure products go through rigorous quality checks at every stage of production.Products:1. Downlights: (special: Fire rated, insulation cover, low profile, ...)2. Spotlights3. Linear Light4. Control Gear: DALI-2, DALI DDT8, Zigbee, Bluetooth, Triac5. And others related to lighting and control

ODM / OEM Service of indoor LED Luminaries & Lighting Control

 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. 

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