The Hong Kong Standards And Testing Centre Ltd (STC)

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

Tapware and WC Testing

STC has been recognized by the China Quality Certification Center (CQC) (No. V-189) for providing professional and reliable testing services for household electronic appliances, including smart toilets. STC’s smart toilet testing services are in accordance with the latest domestic and international standards to assist manufactures in strengthening product competitiveness by meeting safety requirements and consumer performance expectations.   Our Smart Toilet Testing services include: Safety TestingPerformance TestingElectromagnetic Compatibility (EMC) TestingEnergy Efficiency TestingWater Efficiency TestingAntibacterial TestingTesting Standards Household &amp; Similar Electrical Appliances - Electronic Toilets: Energy Efficiency, Water Efficiency &amp; Antibacterial Certification Requirements(CQC64-448160-2018)Safety Requirements for Household Electrical Toilets and Similar Electrical Appliances(GB 4706.53-2008)Electronic Toilet Sanitation(GB/T 34549-2017)Electronic Toilet(GB/T 23131-2008)Safety of Household &amp; Similar Electrical Appliances - Part 2-84: Particular Requirements for Toilets(IEC 60335-2-84)Toilet Cleaning Water(JIS A 4422:2011)Toilet Bowl(JG/T 285-2010)Toilet Seat &amp; Cover(JC/T 764-2008)Smart Toilet(CBMF15-2016)Smart Toilet Seat (JD 0001-2017)If you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/contactTo 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.  

Smart Toilet Testing

Environmental Services Solutions Ltd.

Portable Toilet Services

HK TianJun Water Treatment Energy Saving Technology Limited

Reverse osmosis plant display diagram

Daiwa Metal Works Co Ltd

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

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

Independent letterbox is designed mainly for a single-unit house. Daiwa offers a variety of designs, including wall-mounted and pedestal-mounted styles. In addition, Daiwa provides a wide range of modern and customized strategies to match your ideal apartment and show your house's personality. -Diverse styles and customized design, highlight the personality of the owner; -Simple and fast production, fast delivery; -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.  

Independent Letterbox

Sun Flame Co Ltd

We have workshop in Tokyo. We have been assembling Made in Japan watch. Also, we have some inspection testing. We can water proof test for 10BAR. 

Water resistant inspection

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

Full range of outdoor event cleaning and sanitation services including portable toilets, customised toilets, waste management, cleansing area for exhibitors and venue cleaning services. 

Outdoor Event Cleaning and Sanitation Services

KB Projects Limited

Size: 450mm W x 300mm L x 1450mm H Material: 350gsm Greyboard mounted on corrugated paper / 2mm Greyboard For more information for quotation, please email 

Paper Dumpbin Production

SHIBAINC LIMITED

Volume: 300 ml Dimensions: 18.5cm x 6.5cm x 6.5cm 

Unique & Cute SHIBAINC Hot/Cold Bottle

Exhibition showcases are supporting props for commodities and exhibits. They are usually designed to match the size and image of the items for easy viewing and storage. Showcases can present items in a classy style and offers a great way to attract attention. They are impeccable whether for home decoration or commercial display. Supporting props for commodities and exhibits.Usually designed to match the size and image of the items for easy viewing and storage.Can present items in a classy style.Offer a great way to attract attention.Impeccable whether for home decoration or commercial display.Applications: shopping mall display cabinets, store showcases, specialty store display cabinets, jewelry, cosmetics showcases, exhibition showcases, image display cabinets, etc.Applicable industries: tobacco and wine specialty stores, cosmetics and skin care products specialty stores, jewelry, glasses and watch stores, luxury chain stores, daily necessities specialty stores, etc.Optional material: wood, acrylic, stainless steel, copper, aluminum, etc. 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 are good at using metal, by combining artistic appreciation and practicality, we can create a wide variety of exhibition showcases that meet the needs of customers.Use professional lighting to create a beautiful and firm lighting exhibition showcase.No limit to the number of customized exhibition showcases. Sample Display：Sample 1Sample 1 Front ViewSample 1 DetailSample 2Sample 3Sample 4 

Custom Metal Products Exhibition Showcase

Aluminum signage makes of aluminum or aluminum alloy materials. They are lighter, easy to install, have strong surface adhesion and are easy to paint, often through bake spray-painting into painted aluminum signs. The process is similar to painted stainless steel signage. Aluminum signage is suitable for making signs at the gates and roofs, especially in humid and rainy areas.  √ Lighter and easy to install; √ Waterproof and rust-proof, suitable for large outdoor signage; √ Easy to paint and many color options ; √ Budget-friendly.  Application: Indoor and outdoor, fit to facades, hang from canopies or bond to walls, mainly for stores. Application Industry: catering, schools, government institutions, retail, beauty and medical industry etc.     

Metal 3D Signage — Aluminum Signage

Size: 280mm (W) x 280mm (L) x 1710mm (H) Material: Acrylic For more information for quotation, please contact us. 

Acrylic Floor Stand Display Production Service

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

Keppel Seghers - Zhen Hua Joint Venture

National Environment Agency (NEA) awards main Tuas Nexus Integrated Waste Management Facility (IWMF) the Engineering, Procurement &amp; Construction (EPC) Contract to Keppel Seghers, China Harbour and ST Engineering Marine Consortium, to design and build a 2,900 tonnes per day (tpd) Waste-To-Energy (WTE) facility and a 250 tpd Materials Recovery Facility (MRF). 

Singapore's Tuas Integrated Waste Management Facility (IWMF)

We offer professional construction material testing services for customers. We can test locks, door closers, paints and fire safety products. We test products according to national testing standards and relevant regulations. For locks, door closers, paints and fire safety products.Various standards for testing.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. 

Construction Material Testing

Bureau Veritas HK Ltd

  Composition and other analytical tests  Colourfastness tests  Dimensional stability (shrinkage)/ Related tests  Construction tests  Flammability tests  Feather and down tests  Strength tests  Other physical tests  Specialized tests  Chemical tests  Eco-textile tests  Woolmark and woolmark blend tests  

Washing and Laundering Room

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

TUV Rheinland HK Ltd

more detail: https://www.tuvrblog.com/wp-content/uploads/2025/02/%E4%BF%9D%E6%B8%A9%E6%9D%AF%E7%AD%89%E9%A5%AE%E5%93%81%E5%AE%B9%E5%99%A8%E6%B5%8B%E8%AF%95%E5%92%8C%E8%AE%A4%E8%AF%81%E6%9C%8D%E5%8A%A1-SCEN.pdf 

Testing and Certification Services for Thermal Mugs and Other Beverage Containers

A high-quality sign is your silent guide! Showcase your shop's unique features on your signboard, attract more people to enjoy the sports.  Metal Surface:The lightbox uses stainless steel, copper, iron or aluminum as the main metiral.Professional Cutting: Engraving the logo through the machine cutting, filled with acrylic materials to enchance 3D effect.24 Hours Visible:The clear font structure serves a highly recognisable during the day. The uniform illumination of LED light source make the store as a focal point at night. Materials: Stainless steel; Aluminum; Copper; Iron. Surface: Mirror Polished; Satin (Plating are available); Brushed; Painted. LED Colors: Cool White6500K; Natural White4500K; Warm White3500K; Green; Blue; Yellow; Red; Pink. Plating Colors: Titanium gold; champagne gold; rose gold; black; antique brass; antique copper. Application: Indoor, fit to facades, hang from canopies or bond to walls, mainly for branding decoration and modern office.       

3D Solid Letters Lightbox for Sports Industry

A And P Productions Ltd

   We are Hong Kong based company and would like to help all overseas customer develop their own projects, one stop solution for them.   If you have any new enquiry that we can handle for you, let us know your need.   Have a nice day!  &nbsp; 


Custom's Own Design

We are welcome on customer design projects, as we are Hong Kong based company with factory in China more than 45 years, and we know the market need and safety standard,&nbsp;

If you have any projects would like to develope, please send us an e-mail and we will work our best for you,&nbsp;

Look forward to work our good business with you.

Best regards
Peter&nbsp;

My Sourcing