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

REC Green Technologies Co., Ltd.

iFCU™ has successfully attained the Platinum recognition in CIC Green Product Certification.iFCU™adopted the patented technology with rotor of a permanent magnet to generate magnetic flux. Its advantages are to eliminate the source of power loss and achieve a high energy efficient operation.By replacing mechanical brushes, permanent magnet motor can also minimize the noise level and waste heat generation, thus improves motor lifespan.With variable speed drive, the motor further enhances efficiency system compared to traditional fixed speed AC motor designs.Major Features:Variable speed FCU fully controllable “AUTO” mode is available in iFCU™, stepless variable fan speed is controlled based on room temperature set point. Reduce energy use while maintaining comfortable condition, e.g. unoccupied mode to maintain the minimal RPM and energy ussage. Programme Customization to fit client’s application/configuration Tailor-made programme to work with different system and fit the occasions requirements. Modbus Thermostat, Room control unit (0-10V), Group Control, RPM adjustment &amp; wireless group control etc. Duct type sensor Installed in return-air box to control temperature accuracy up to ± 0.5oC to increase human comfort. Both high &amp; low static Applicable to both high &amp; low static pressure setting. Wi-Fi Control Can be controlled through any mobile device. 

iFCU™ Intelligent Fan Coil Unit (EC Motor / BLDC Motor / PM Motor)

Information Processing Consultants Ltd

Our factory can help customer to make non-standard parts using our CNC milling and lathe machineries. As these are non-standard parts, customers need to supply CAD files for quoting of the cost involved. Materials can be aluminium 5052/6061, alloy steel 202'304//316, or plastics ABS/PE etc. 

Non-standard Part Making

Team Tech Development Limited

Tooling Making At Team Tech Development Limited, we specialize in the design and manufacture of a wide variety of high-quality plastic injection moulds. Our tooling solutions cater to injection molding machines with press capacities ranging from 50 tons to 1000 tons, ensuring flexibility and suitability for different project requirements and product complexities.  Our experienced engineering team utilizes the latest CAD/CAM software and advanced manufacturing technologies to guarantee precision and efficiency in every stage of the mould making process, from initial design and prototyping to final testing and validation. We maintain rigorous quality control throughout production, ensuring that every mould meets stringent international standards and exceeds customer expectations in terms of durability, performance, and cycle life.  We offer a comprehensive range of tooling solutions, including: (A) Prototype Tooling – Designed for small volume production runs (1K–10K units), enabling rapid product development and market testing with reduced lead times and costs. (B) Pre-hardened Tooling – Suitable for medium volume production (50K–250K units). These moulds provide a balance of strength and cost-effectiveness, supporting efficient mid-level manufacturing demands. (C) Tooling – Engineered for high-volume manufacturing (250K–1,000K units), utilizing highly durable materials and advanced heat treatment processes to ensure exceptional mould longevity and consistent product quality in mass production. (D) Over-Mould (Two-Color Moulds) – Expertise in multi-material and multi-color injection moulding techniques, allowing for the integration of different materials or colors in a single product to enhance functionality and aesthetics. (E) Hot Tip and Hot Runner Moulds – Application of advanced hot runner technologies to achieve improved injection efficiency, precise temperature control, and minimized material waste, ideally suited for complex or multi-cavity mould designs. (F) Gas Assisted Injection Process and Die-Cast Moulds – Utilizing gas assisted injection moulding and die-casting expertise to produce lightweight, complex, and dimensionally stable parts with excellent surface finishes.  Team Tech Development Limited’s comprehensive tooling capabilities, commitment to innovation, and customer-focused approach make us a trusted partner for clients across diverse industries, delivering high-precision and cost-effective moulding solutions tailored to our customers’ specific needs.   

Plastic & metal Tooling and Molding Making

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

Promised Land Management Limited

Skin Firming &amp; Lifting Scientifically Proven: Multi-Dimensional Aesthetic Enhancement Smoother Texture &amp; Touch: Clinical studies show that after 12 systematic sessions, participants experienced up to 93%* visible improvement in the smoothness of cellulite (orange-peel skin).Restored Skin Density: Through natural activation of fibroblasts, after 12 sessions, 92%* of participants reported significant improvement in skin firmness, effectively tightening and optimising loose contours.Immediate Decompression &amp; Lightness: Participants reported an average 50%* reduction in leg fatigue and heaviness sensation after the first session.Refined Local Contours: Combined with overall metabolic optimisation, after 12 sessions, participants observed a localised circumference reduction of up to 5.8 cm* (e.g., waist circumference).*Note: All data cited from the 2024 BeScored clinical study report. The figures demonstrate the physiological responses of the technology. Individual results may vary depending on constitution, age, and lifestyle habits. Non-Invasive Cellular Activation Aesthetics Why does skin lose its elasticity? Skin aging is not only due to natural factors but is also closely related to photoaging, life stress, and slowed circulation. The key cells responsible for maintaining elasticity — fibroblasts — produce less collagen and elastin over time, leading to sagging and visible texture changes.BTO’s “Natural Activation” Philosophy: Our patented physical stimulation technology does not rely on external fillers. Instead, it uses unique mechanical energy to perform “cellular fitness” on deep tissues. This naturally activates fibroblast activity, encouraging the production of endogenous collagen and hyaluronic acid.This approach is traceless, requires no downtime, and aims to reboot the skin’s self-healing cycle, helping maintain long-lasting youthful texture and firmness.

Skin Firming & Lifting

 This high-tech machine is designed for advanced pick-and-place and bonding technology. It supports chip mount&nbsp;with the minimum size of 0201 and IC mount with fine pitch in 0.3mm of QFP. The BGA or micro BGA has a diameter of 0.4mm with a 0.8mm pitch or a diameter of 0.3mm ball with 0.5mm pitch CSP. 
 
  Flip Chip Bonding: ACF, C4 and C5 Technology. 
  Aluminum wire bonding. 
 

Pick-and-Place and Bonding Technology

Leconcepts Holdings Co Ltd

     We are an experienced manufacturer which is good at produce plastic goods with fine paintings.   Some of our productions are sold in the museums and heritages.   Services include hand painting, spray painting, tempo painting and so on.   We an OEM company which is strong in developing customers' ideas/concepts in the production.   We have steady cooperation with many brands and designers for product development.   Fully comply with the international safety requirements, if any.   More photos and samples can be available upon request from qualified buyers.    

Facilities - Painting Equipment

ABO ELECTRONICS (SHENZHEN) CO LTD

We focus on long-term business development and provide reliable and perfect services to customers, besides existing 9 mature production lines (including the SMT, DIP, FAT and other process lines). We plan to increase 8 more SMT lines, 2-4 more DIP lines, 3-4 more final assembly lines step by step. The PCBA annual production capacity will reach to 50KK pieces, and the final assembly annual production capacity will reach to 20KK units. Surface mount technology (SMT).Professional and reliable.

PCBA SMT

Orion Incorporation Limited

   Platinumised titanium anode is a must for good precious metal electroplating.   Our anodes are in good quality, durable, and easy operation.   Custom designed handle is made easy for operation.  

Platinumised Titanium Anode

Great O'Bay Limited

Advanced Electroplating Production Technology  The group's production facilities are located in Foshan and Qingyuan, Guangdong Province, China, focusing on providing exceptional services throughout Asia. Our plants utilize advanced Electroplating production technologies, ensuring high product quality and low carbon emissions. We are dedicated to the innovative application of recycled metal materials, transforming these materials into high-performance products. By closely integrating research and development with production, we effectively advance the implementation of green technology solutions, promoting sustainable development.  With 30 years of experience in manufacturing parts across the automotive, electrical, and furniture sectors, we are committed to providing environmentally friendly, durable, and competitively valued solutions for automobile parts, electronic products, and furniture through continuous innovation and the implementation of green manufacturing processes.  We hold multiple professional certifications, including pollutant discharge permits, ISO 9001:2015 Quality Management System Certification, IATF 16949 Automotive Quality Management System Certification, ISO 14001 Environmental Management System Certification, and various utility model and invention patents.  We collaborate with several well-known brands, including GAC, Honda, Toyota, Volkswagen, Mitsubishi, Fiat, as well as Midea and Galanz. The professionalism and technical strength of our group enable us to successfully apply innovative recycled metal materials across various industries, including aluminum alloys, stainless steel, nickel, and copper. These materials effectively replace traditional new materials, lowering manufacturing costs while enhancing product performance and environmental sustainability.  

Advanced Electroplating Production Technology

Daiwa Metal Works Co Ltd

Mirror polished stainless steel signage is made of high-quality stainless steel #304 or #316 through laser cutting, welding, argon arc welding and polishing to make fine metal signage. Mirror polished products require better techniques to maintain their perfect mirror surface. It mainly uses for offices, creates eye-catching and straightforward signs to show the brand spirit.  √Strong metal stereoscopic sense and eye-catching visual effect; √Especially suitable for luxury brands to perform luxury and dignity feeling; √Stainless steel will not rust, durable and long lasting even under broiling in the sun or heavy rain.  Optional materials：#304 stainless steel, #316 stainless steel；Plating colors options: Titanium gold, champagne gold, rose gold, black, antique brass, antique copper；Application: Indoor and outdoor, fit to facades, hang from canopies or bond to walls, mainly for branding decoration and modern office.Application industry: Luxury, watches, jewelry, eye glasses and high-end industry, office buildings, estate, schools, government agencies, etc. 

Metal 3D Signage—Mirror Polished Stainless Steel Signage

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

STC offer Electromagnetic Compatibility (EMC) Testing services for medical devices such as: Medical Electrical EquipmentIn Vitro Diagnosis (IVD) Medical EquipmentElectromagnetic Compatibility Testing (EMC) IEC / EN 60601-1-2CISPR 11 / EN 55011IEC / EN 61326-1IEC / EN 61326-2-6FCC Part 15 / Part 18ICES-001 / ICES-003 Radio Frequency Testing (RF) EN 300330-1; EN 300330-2 (9 kHz to 30 MHz)EN 300220-1; EN 300220-2 (25 MHz to 1000 MHz)EN 300440-1; EN 300440-2 (1 GHz to 40 GHz)FCC Part 15 / Part 18; RSS-210Bluetooth EN 300328 (2.4 GHz)FCC Part 15 / Part 18RSS-247Wi-Fi EN 300328 (2.4 GHz TRx WiFi b / g / n)EN 301893 (5.8 GHz)FCC Part 15 / Part 18RSS-247If you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/contacTo 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 for Medical Devices

Sun Wing Technology Co

   We provide electroplating service.   Different kinds of electroplating available such as 16K, 18K &amp; 23K micron gold; Swiss color standard including 1N, 2N, 3N, rose gold; micron palladium, PNP, silver; black ruthenium, rhodium, gun color, titanium color; antique red, white &amp; green copper, antique silver, CSP, full color and transparent elecoat, etc.  

Electroplating Service

As a leading sign and metal production company in Hong Kong, Daiwa's goal is to make the design, ordering and installation process of signs transparent and simple. We monitor every step of the process and make the perfect signs for you. Understand customer needs, provide customers with signs on strategic and creative resources; provide more than 300 kinds of material solutions for customers to create a vast creativity to help achieve marketing guide and so on.According to customer needs, we can customize product styles, materials and sizes, cover space design materials such as stainless steel, aluminum, acrylic, etc., which can go with electroplating, polishing, spray painting, etc. with different effects.According to the customized plan, Daiwa prepares engineering drawings to ensure that all ideas could be properly conveyed.Domestic production base, advanced production equipment, seasoned craftsmen, and exceptional production efficiency - Daiwa offers stellarsign productsthat are truely exquisite and eye-catching.Finished items can only be successfully shipped after all of which have passed specific requirement tests. The step has definitely customers' time, money and energy.Daiwa has a professional installation and maintenance team, which has been approved by the Hong Kong Government Buildings Department as a registered minor works contractor for Class II and III Type C signboard projects. Installation and maintenance work are implemented conforming to the standard and operating procedures to ensure safe operation and use.Daiwa will attach quality certificates to all products and is solely responsible for maintenance items during warranty period.Metal 3D signage - HL&amp;Satin Stainless Steel Signage. Satin stainless steel signage makes of high-quality stainless steel #304 or #316. Sandblasting or grinding stainless steel, laser cutting, welding, argon arc welding, and polishing create fine metal signage with a strong stereoscopic sense to show a calm, noble, and luxurious visual effect. Optional material: #304 stainless steel, #316 stainless steel;Surface: Vertical or horizontal satin brushed or sandblasted;Plating colors options: Titanium gold, champagne gold, rose gold, black, antique brass, antique copper;Customization: yes.√Strong metal stereoscopic sense to show luxurious visual effect;√Stainless steel will not rust, durable and long lasting even under broiling in the sun or heavy rain.Satin Stainless Steel - Natural ColorSatin Stainless Steel - Natural ColorSatin Satin Stainless SteelSatin Stainless Steel - Red Bronze   

Metal 3D Signage - HL&Satin Stainless Steel Signage

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

Build a good brand image with this exquisite color painted stainless steel signage. It features metal letters on a base made from laser cutting, welding, argon arc welding and polishing. The letters are processed with spray bake painting to provide a one-time hard and tough finish to make them stronger and corrosion-resistant. The metal signage comes in even, glossy, bright and long-lasting colors and is easy to clean, rust-proof and dust-proof. Color painted stainless steel signage with metal letters on a base.Made from laser cutting, welding, argon arc welding and polishing.Letters are processed with spray bake painting.Provide a one-time hard and tough finish to make the letters stronger and corrosion-resistant.Come in even, glossy, bright and long-lasting colors.Easy to clean, rust-proof and dust-proof.Exquisite signage to help build a good brand image. Specifications: Classification: 3D metal signage.Optional materials: stainless steel #304、#316.Surface: painted.Color: pantone、RAL、CMYK、DULUX.Compared to other metal signs, painted metal signs have fewer defects.Many colors choices, the color is even, glossy, bright and long lasting.More budget-friendly within metal signs.Easy to clean, rust-proof and dust-proof.Colors are not easy to fade under strong sunlight or heavy rain.Applications: suitable for indoor and outdoor areas, fit to facades, hang from canopies or bond to walls, mainly for stores.Applicable industries: watches, jewelry, eye glasses, luxury and high-end industries, office buildings, estates, schools, government agencies, etc. Case show： sample 1sample 2sample 3 sample 4 

Color Painted Stainless Steel Signage

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

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

Ching Luen Printing Co Ltd

  This post-press service uses the advanced science and technologies for added efficiency. The different types of folding machines, automatic saddle stitching systems and other machines offer a stable and reliable performance. This service is especially suitable for professional uses. With experienced management team.With excellent after-sales supports.

Post-Press Service

Propagation Systems Limited

Propagation offers not just only the design service but also the hardware modules for different application. The qualified modules are suitable for the OEM services as well as the system design. Our OEM partners are located in both Southern part of China and Northern part of Vietnam in over 20 years manufacturing experience.   matter® Connected Things  – Border Router and End NodeBluetooth® Low Energy     – Bluetooth version 5.3Classical Bluetooth® Audio  – customized Bluetooth audio in both DSP and applicationEmbedded WiFi®           – bundle solution with Amazon Wed ServiceUltra Wide Band (UWB)      – RTLS applicationSigfox®/ LoRa®            – Long range transmission up to 1.5km Hardware Design service: Because of our electronics and electrical background, we also provide the hardware design service based in Hong Kong. Propagation completed over 120 projects in the last 10 years.  Application BoardIOT deviceEmbedded Linux / Android Development

Hardware Development

Mecca Electronics Co Ltd

PCBA -SMT Lines &amp; Through Hole Assembly -SMT: PCB size up to 534 x 610 mm -Able to handle 0201 chips -AOI   Box Build  -IPC-A-610 Class II Workmanship -Class III soldering available upon request -ICT -Burn in 

Production Line

Clinically Proven References Precise Localized Body Contouring: According to the 2024 clinical study report, participants experienced a significant average waist circumference reduction after 12 systematic sessions (up to 5.8 cm*).Curve Firming &amp; Lifting: Through patented technology that activates skin fibroblasts, research shows up to 92%* of participants reported visible improvement in skin firmness, effectively optimising body contours.Endogenous Appetite Balance: Physical stimulation helps optimise internal hormonal balance (such as leptin), with clinical data indicating related indices improved by up to 4.3%*, supporting healthy dietary management at the physiological level.Building Lasting Body Shape from the Metabolic Root Cause Why is traditional weight loss hard to sustain? Body shape issues are often not just about calorie intake. They are closely related to declined circulation and metabolism, as well as localised fat accumulation caused by long-term poor posture. BTO’s “Perfect Posture &amp; Shape” program does not rely on medication. Instead, it intervenes through three core technologies: Posture Correction: Realigns skeletal structure to reduce compensatory muscle hypertrophy and fat accumulation.Circulation Optimisation: Accelerates lymphatic and blood flow to effectively eliminate excess water and metabolic waste.Fat Reduction &amp; Muscle Activation: Using patented physical pulses, it optimises body fat ratio and tightens deep muscle groups without damaging tissues.This is a systematic transformation from the inside out, aimed at enhancing your overall health and achieving a more sustainable, confident ideal state. 

My Sourcing