The Hong Kong Standards And Testing Centre Ltd (STC)

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

In order to help manufacturers ensure the safety and control the quality of their products, STC provides a wide range of comprehensive Chemical Testing services for products including:  Household Chemicals Cleaners Antibacterial Effectiveness TestSodium HypochloriteContent(ASTM D2022)Anionic Active Matter ContentPhosphorus ContentEtc.Toothpaste Fluoride ContentPH ValueDiethylene Glycol ContentEtc.Industrial Chemicals Thinner(e.g. toluene, benzene content)Petroleum ProductsViscosityDensityElement ContentEtc.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 Product Testing

GRG METROLOGY & TEST GROUP CO., LTD.

GRGTEST has invested in and holding shares of Shenzhen Bolinda and Manhage, achieving the full coverage of inorganic and organic reference material products in fields including food, environment, clinical medicine and industrial products, and independently developed more than 200,000 types of reference materials and consumables. Reference MaterialsProficiency Testing and Quality Control SamplesSample Pretreatment Consumables and Chromatographic Columns

R&D, Production and Sales of Reference Materials and Consumables

Carbon Capture & Storage (CCS) Ltd

Through the implementation of advanced crystal polymorph control technologies, CO2 emitted from cement production is effectively utilized to facilitate the carbonation of a portion of the clinker, resulting in the generation of a multifunctional CaCO3-riched materials that can be used as an addition of cement to produce new reactive CaCO3-rich cementitious materials. Achievesa 50% reduction in carbon emissions during cement production Enhances mechanical properties, toughness, and durability of concrete 

 Reactive CaCO3-rich cementitious materials

 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 

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

V-Trust Inspection Service Co., Ltd

V-Trust's testing and certification services provide essential support to buyers, ensuring products meet both customer specifications and regulatory safety standards, such as California Proposition 65. Our services help minimize risks and ensure compliance with key requirements for entering the US market. California Proposition 65 Testing Overview California Proposition65 applies to a wide range of consumer products, including toys, apparel, footwear, furniture, jewelry, electronics, food packaging, and household items. It covers over 900 listed chemicals, including lead, phthalates, cadmium, and BPA. Any product that could expose consumers to listed chemicals should undergo testing. California Proposition 65 Compliance Requirements Identify and test for listed chemicals in consumer products.Ensure product compliance with safe harbor levels for chemicals.Provide appropriate warning labels if exposure exceeds regulatory thresholds.Maintain comprehensive documentation for compliance and testing results. Why Choose V-Trust? V-Trust delivers accurate California Prop 65 testing within 3-5 working days, helping buyers ensure safety, compliance, and market readiness. 24/7 customer service supportFree consultancy on US and European market regulationsCost savings of up to 20% compared to other testing providersOne-stop service from sample collection to lab testingAbout V-Trust 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 

California Proposition 65 Testing – US Consumer Product Safety Testing

GENESIS BIOLOGY LIMITED

Genesis Biology provides powder OEM manufacturing services for health food and nutritional supplements, suitable for instant nutritional powders, protein powders, botanical extract powders, powdered beverages and other powder-based products. Powder products can be developed with different specifications and packaging formats to meet household, retail and channel-based product needs.  

Powder OEM Manufacturing Services

Post Carbon Lab

Post Carbon Lab introduces Climate Positive Microbial Colours, transforming atmospheric and industrial waste CO₂ into high-performance, carbon-negative dyes for textiles and polymers.  These petrochemical-free, non-toxic colourants, created through industrial biotechnology, are compatible with a wide range of natural, semi-synthetic and synthetic fibres, textiles, and polymers. They save 97% water compared to petrochemical dye-making &amp; dyeing processes, and upcycle 21 kg of CO₂ per kg of colours.Partnering with leading brands, their technology integrates seamlessly into industrial workflows, offering strong colourfastness, biodegradability, and scalability. Redefining industry standards, they balance impact, cost, performance, and aesthetics with sustainability at the forefront.  ---------------- Post Carbon Lab推出對氣候有益的微生物染料，將大氣中和工業排放的二氧化碳轉化為高性能、負碳排放量的環保色素，直接應用在紡織和塑膠產業鏈。  這些不含石油化學成分、無毒環保的染料採用工業生物技術製造，適用於多種天然、半合成和合成纖維、紡織品和聚合物。與石油化學染料製造和染色製程相比，它們可節省水97%，並且每生產1公斤染料可回收21公斤的二氧化碳。  Post Carbon Lab與眾多領先品牌合作，其技術可無縫整合到工業製造流程中，並具有優異的色牢度、生物降解性和可擴展性。這些染料重新定義了行業標準，在永續性方面，兼顧了環境影響、成本、性能和美觀性。 

Climate Positive Microbial Colours

Keppel Seghers - Zhen Hua Joint Venture

The biodiesel plant reduces carbon emissions and saves resources. It converts waste cooking oil and other recycled fats into biodiesel as a substitute for mineral diesel. It has been widely adopted in European and American countries. The production annual output reaches 100,000 tons of biodiesel. 生物柴油廠減少碳排放並節省資源。它將廢棄煮食油等回收油脂製成生物柴油，以替代礦物柴油。它已被歐美國家廣泛採用。年生產量達到10萬噸生物柴油。  Zhen Hua, being the local representative of China Harbour, via Group’s global network, has been contributing to the local infrastructure development for over 36 years. 香港振華在過去36年來一直致力於當地的基礎設施建設。作為中國港灣的香港代表及中國交通建設集團的一員, 振華透過集團的全球性網絡及國家一帶一路政策所帶來的機遇, 在環保相關領域積極發展。 

Tseung Kwan O Biodiesel Plant

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

Genesis Biology offers hard capsule OEM manufacturing services for powder, granule, botanical extract and compound nutritional formulations. Hard capsules are suitable for a wide range of daily nutritional supplement products and can be developed according to different brand positioning and channel requirements.  

Hard Capsule OEM Manufacturing Services

Genesis Biology provides formula adaptation and product development support based on customers’ existing formulas, product concepts or market requirements. We assist customers in evaluating suitable product formats, dosage form options, production feasibility and packaging solutions, supporting the transition from product concept to manufacturable nutritional supplement solutions. 

Formula Adaptation and Product Development Support

Sun Field Label Printing Factory Limited

SUN FIELD has been in the printing and packaging business for 30 years. In recent years, we extended our service and have a division which specialized in product development and production. We work with a diversity of material such as: Metal, Glasses, Stones, Ceramic, Wood Our inhouse engineer can quickly turn you idea into a 3D illustration, prototype and finally an end piece of product that is up to your quality expectation. Together with our packaging production, we can assemble all parts of your products and deliver to you retail ready.  

Product development and sourcing

Weyem Biological Technology Co.,Ltd.

Small-Batch Customization &amp; Technical Consulting Small-Batch CustomizationFlexible production for low-volume orders. Tailored formulas, packaging, and specifications to meet your unique needs—ideal for startups, niche brands, and product testing. Technical ConsultingExpert guidance from raw material selection to extraction processes and formula development. Our team helps bring your concept from idea to reality with scientific support. Why choose us? Low minimum order quantity (MOQ) Custom formula and packaging options End-to-end technical support 

Small-Batch Customization & Technical Consulting

Time Grand Limited

Development of components that meet both technical and aesthetic standards. Through comprehensive research, engineering and manufacturing support, we help transform watch concepts into market-ready products. Our team develops and refines watch components and constructions to ensure they meet technical requirements, aesthetic expectations and production standards, supporting reliable quality, functionality and design excellence throughout the manufacturing process.   

RND · Engineering · Production 

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

TUV Rheinland HK Ltd

  This toys, childcare products and chemicals testing service is especially designed and offered to toy manufacturers. The professionals are experienced and offer added efficiency. This testing service&nbsp;aims&nbsp;at protecting our beloved children.    
 
   Reliable and effective.    
   With excellent after-sales supports.  
 

Product and Chemical Testing Service

Bureau Veritas HK Ltd

Bureau Veritas Consumer Products Services (BVCPS), a division of Bureau Veritas, provides an array of concept-to-consumer quality assurance and compliance service. As shown is the restricted substances testing service we can provide.
    Azodye directive   Nickel directive   Phthalates directive   German food and commodities law  Dangerous substances directive   

Restricted Substances Testing Service

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

Over 20 years of experience in the toys , premiums, gifts, garments, household 
    utilities, lightings & costume jewelry industries.   Our facilities are China-based & Vietnam-based, covering the activities of project study,   prototype making, mould-building, plastic injection, plastic rotomolding,   polyresin forming, electrical and electronics, sewing and wood productions.  Pls visit www.leconcepts.biz to see our production facilities and equipment lists.  

Consumer Product Design

Our labs are fully accredited by CNAS, CPSC, CMA, CBTL, ILAC-MRA, FCC, and many more qualifications, and our testing reports are recognized worldwide. We could help clients to arrange 360 °C evaluation testing to distinguish their products in the crowded market, including below testing scopes:  Product Compliance Testing: Food Contact Materials: LFGB, DGCCRF, EC1935/2004 (EU), FDA, etc. Electronics &amp; Electrical appliances: RoHS, LVD, EMC, FCC, RED, etc. Toys &amp; Juvenile products: EN71, ASTM F963, CPSIA, CPC, etc. Harmful substances: REACH, POPs, California 65, PFAS, etc.  Product Evaluation Testing Material composition analysis: Identify the material &amp; the elemental makeup. Samples comparison: Compare &amp; test products carefully and help to select the right products. Performance testing: Evaluate product quality and safety. Tailor-made testing: salt spray test, burning test, lifetime, etc.  Working with us in testing &amp; certifications brings you the following benefits： √ Accreditation by All Major Markets including Europe, North &amp; South America. √ Distinguish your brands in the crowded market. √ Ensure your products confirm to the latest international standard. √ Well-edited testing photos and videos to highlight your unique selling points. √ Free Sample Picking, One-Stop Service from Lab Testing to On-Site Inspection. 

Sample Check / Product Compliance Testing / Certification / Chemical Analysis / Product Comparison Test

Genesis Biology provides softgel OEM manufacturing services for health food and nutritional supplements. This dosage form is suitable for oil-based nutrients, fat-soluble ingredients and other capsule-based supplement products. We support brand owners with stable and quality-managed softgel production solutions. 

My Sourcing