The Hong Kong Standards And Testing Centre Ltd (STC)

 EN71-3 Heavy Metals Analysis using state-of-the-art instrument is available at Hong Kong Standards &amp; Testing Centre.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. 

Heavy Metals Testing

 The centre offers analytical services to demonstrate and prove that your materials and products are free from restricted substances and have fulfiled related safety standards before they enter the markets. Our tests include heave metal testing, dimethyl fumarate testing, REACH testing, and more. Offering professional and high-quality services, we are the chemical testing centre you need. Heavy metal (EN 71 Part 3) testing.Dimethylfumarate (DMF) testing.REACH (SVHC) testing.Azo dyes (aromatic amines) testing.Formadehyde content testing.Chromium VI content testing.Lead content testing.Pentachlorophenol content (PCP) testing.Cadmium testing.Alkylphenol polyethoxylate (APEO) 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. 

Chemical Testing and Analytical Service 

Heraeus Metals Hong Kong Limited

The precious metal trading is one of Heraeus' core fields of business in Hong Kong. We are one of the major traders in the physical markets of gold, silver, platinum, palladium, rhodium, iridium and ruthenium, both in the form of metals, and as products. With our unique combination of industrial and financial market know-how, every member of our team is dedicated to understanding the needs of our clients, and delivering the right solutions.
 
  Purchase and sales via weight accounts. 
  Precious metal financing. 
 

Global Precious Metal Trading

Our recycling business unit in Hong Kong is a major player serving the Asia Pacific market, and takes full advantage of the territory's unique position as a free port to establish a logistic hub and close proximity to Asian countries. It is fully equipped to efficiently extract precious metals from almost any grade of concentrates, alloys, residues, scraps and sweeps containing gold, silver, platinum and palladium. By using state-of-the-art techniques and continuously investing in new technology, we offer high yields and short processing times. The key markets that we serve are the jewelry, electronics, semiconductor, mining and surface finishing industries.
 
  The London Bullion Market Association (LBMA) acceptable refiner for gold. 
  The London Bullion Market Association (LBMA) acceptable refiner for silver. 
 

Precious Metal Refining

Daiwa Metal Works Co Ltd

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

Our Precious Metal Recycling in Hong Kong is a major player serving the Asia Pacific market, and takes full advantage of the territory&#39;s unique position as a free port, established logistics hub and close proximity to Asian countries. It is fully equipped to efficiently extract precious metals from almost any grade of concentrates, alloys, residues, scraps and sweeps containing gold, silver, platinum and palladium. By using state-of-the-art techniques and continuously investing in new technology, we offer high yields and short processing times. The key markets that we serve are the jewelry, electronics, semiconductor, mining and surface finishing industries.

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

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

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

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

Jin Sheu Enterprise Co., Ltd.

Jin Sheu Enterprise is a manufacturer and exporter for custom design cuff links, lapel pins; key chains; coins; medals; lanyard; embroidery patches; woven labels; soft PVC items; mobile accessory and promotional items etc. various product lines. The best partner to express brand value and the first choice in custom services.The metals applied for production are ranging from brass, stainless steel, iron, aluminum to pewter (tin and lead alloy) and zinc alloy, and the methods to form the images and shapes are stamping, photo etching, screen printing, offset printing, spin casting, die casting and Lost Wax Casting Jin Sheu Enterprise is specialized in manufacturing all kinds of customized Metal Products, from cost-effective to pricey Metal Products; from large quantity to small quantity Metal Products, Jin Sheu should be your priority choice for custom made Metal Products     

Professional Metal Emblems

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

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

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

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

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

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

Characterization for materials used in medical devices – an analysis of a material’s composition, purity, uniformity, sterilant residuals and extractables – is an essential step to verify their suitability for human body contact, thus should not be missed out throughout the product life cycle.  Following the enforcement ofRoHS2 in the European Union, which restricts the use of specified hazardous substances in electrical and electronic equipment, and medical devices are now added to the scope of the Directive and have to be verified asRoHS-compliant.  The chemical laboratory at STC is equipped with the most advanced testing equipment; our team of experts can perform material characterization and RoHS analysis with a wide range of testing methods. We can help manufacturers identify the appropriate testing program based on the intended use of a device and material, and its expected nature of contact with the human body. Material Characterization - Guidelines &amp; Standards U.S. FDA Blue Book Memorandum GP#95-1ISO 10993-1, “Biological Evaluation of Medical Devices”ISO 10993-18, “Chemical Characterization of Materials”FDA Guidance Document, “Container Closure Systems for Packaging Human Drugs and Biologics” Material Characterization Testing Capabilities Physiochemical TestFourier Transform Infrared Spectroscopy (FTIR)High-Performance Liquid Chromatography/mass Spectrometry (HPLC-MS)Gas Chromatography / Flame Ionization Detector (GC / FID)Gas Chromatography / Mass Spectrometry (GC / MS)Inductively Coupled Plasma Spectrometry (ICP)Specific GravityGel-Permeation Chromatography (GPC)ViscosityDifferential Scanning Calorimetry (DSC)If 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. 

Chemical Testing for Medical Devices

The chemical, food and pharmaceutical product testing service is carried out by the renowned Hong Kong Standards and Testing Centre (STC). It providesa wide variety of analytical services, certification and technical services to the chemical, environmental, food, health supplement, pharmaceuticals, proprietary Chinese medicine, metallurgical and plastics industries. Chemical testing.Environmental analysis.Food testing.Pharmaceutical product testing.Chinese medicine 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. 

Chemical, Food and Pharmaceutical Product Testing

The proprietary Chinese medicine testing services are carried out by the renowned Hong Kong Standards and Testing Centre (STC). Services include heavy metals and toxic elements, method validation, microbial limits, pesticide residues and more, ensure the distribution of the best-quality proprietary Chinese medicineto the market. Heavy metals and toxic elements.Method validation.Microbial limits.Pesticides residues.Pharmaceutical adulteration screening.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. 

Proprietary Chinese Medicine Testing

Stainless steel signs are the best choice for businesses to use outdoors. Steel letter signs can withstand wind and sun exposure, are easy to clean. The reflective properties of metal make your sign stand out immediately.  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.  DAIWA only use high-quality stainless teel as main material. It remains durable and rust-free even under broiling in the sun or heavy rain.            

Customized Stainless Steel Signage for Real Estate

Hong Kong Standards and Testing Centre (STC) conduct chemical properties tests for the toy industry. Our high precision equipment and skilled workers ensure professional testing service. STC offers worldwide accreditation including CNAS, DAkkS, HOKLAS, JTA, JMHW and CPSC. 	 Professional service. 	 Widely recognized accreditation.  

Toy Safety-Chemical Property

Cosmo Environmental Technology Co., Ltd.

1. Comprehensive hazardous waste treatment facility with an annual processing capacity of 161,500 tons Providing waste collection services forover 100 large industrial companies Capable of meeting more than 25% of Guangzhou's hazardous waste treatment demand 2. Service sectors: Electronic Component Manufacturing, Electroplating, Semiconductors, New Energy, Chemicals, etc. 3. Waste Categories: 10 Major Categories, 60+ Subcategories Non-ferrous Metal Waste Liquids and Sludge, Smelting Waste, Acid/Alkali Waste Liquids, Organic Waste Liquids, etc. 

危险废物回收

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.    

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