Hong Kong Jewellery & Jade Mfrs Association

We provide jewellery testing services for jewellery dealers and the general public. The identification services are especially useful for distinguishing jade stones of type A and type B or even faux jade. Optical and chemical testing methods will be processed for accurate laboratory testings.
    Professional laboratory services  Protect the buyers and the general public  Certificates can be provided  

Jade and Stone Laboratory Services

V-Trust Inspection Service Co., Ltd

V-Trust is now providing you a bridge to over 4,000 labs with the CNAS accreditation. These labs&#39; reports are generally accepted in most of countries all over the world, including EU, USA, Canada, UK, etc. Many testing equipments are standing idle because they are serving for internal customers and they have not approached to the overseas markets. 	 The testing price of such labs is 30% lower compared with the price of other labs. 	 There are 4,342 labs with CNAS accreditation in China (statistical data from CNAS till Nov. 2011). 	 All of the labs are also accredited the members of ILAC.  

Laboratory Testing

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

Hong Kong Council for Testing and Certification

Why should you use Hong Kong’s testing and certification services? High Professional IntegrityGood Intellectual Property ProtectionHigh Technical CompetenceQuick Response to Market NeedsRobust Accreditation System Being Highly Regarded InternationallyA Free Port with Excellent Logistics SupportYou can find more information about Hong Kong’s testing and certification sector from the website of the Hong Kong Council for Testing and Certification (HKCTC): www.hkctc.gov.hk To find quality reports / certificates? Look for the HKAS Accreditation Symbol! All endorsed test reports / certificates issued by Hong Kong Accreditation Service (HKAS) accredited organisations bear the HKAS accreditation symbol with the registration number of the accredited organisations. Wide Recognition of HKAS-AccreditedOrganisations HKAS' accreditation is recognized in over 100 economies, including all major trading partners of Hong Kong such as the United States, European Union, Mainland China and Japan. Accreditation helps users to identify reliable conformity assessment service providers. You can find service providers accredited by HKAS and their scope of accreditation from the website of HKAS:www.hkas.gov.hk 

Testing Services for Jewellery

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

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

Asian Gemmological Institute And Laboratory Limited

AGIL provides professional gem-testing services to the trade sector and general public. We own 37 years of gem testing experience. We also possess in-house advanced instruments including DTC DiamondSureTM, cathodoluminescence, FTIR infrared spectrometer, Raman spectrometer, Sarin DiaMension, UV-Vis spectrometer and X-ray fluorescence analysis. 	 Jadeite jade (Fei Cui) testing. 	 Ruby, sapphire and emerald testing. 	 Diamond testing and diamond grading.  

Onsite Gem-Testing Service

 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 

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

Hong Kong Cancer Testing Center Limited

Based on the world’s largest tumor drug target database, AKJ™ detects tumour-specific targets in serum to identify the presence of cancer cells, enabling cancer early screening. 

AKJ™

This lab testing service is carried out by a group of professionals for added effectiveness. The advanced machines and technologies used help guarantee added accuracy. This lab testing is compatible with CPSIA, REACH, CE and RoHS certifications. 	 Efficient and reliable. 	 With excellent after-sales supports.  

Lab 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

Nemko Hong Kong Limited

Nemko offer testing and ATEX certification for explosion protection products.  In the meantime, we can issue IECEx, for international market and NRTL for the norther American market. We also provide agent service to help you obtain EX approval for other countries including Korean KC, Japan, China CCCex, Brazil INMETRO etc... 

ATEX for explosive product

Heraeus Metals Hong Kong Limited

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.

Precious Metal Refining

Nemko lab in Korea is accredited to perform Korean KC certification testing for radio and EMC related products. Nemko TCB can issue KC/EMC&amp; RF certification. For KC safety certification, Nemko CB can be recognized by KTC or KETI to review and issue the KC safety certification. 

KC certification

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. 
 

 	 Some tests should be done in the professional laboratory instead of testing at the factory because of accuracy or special testing types of equipment required. 	 As a leading inspection service supplier in China, V-Trust has a long-term cooperative relationship with many accredited laboratories, so we can provide you with more competitive prices and professional testing arrangement. V-Trust can efficiently manage the testing of samples in liaison with qualified and accredited laboratories when you need formal certification or professional test. 	 We can go to the factory and select samples randomly on site instead of letting the factory choose them. We can select the best laboratories, based on price and lead-time, for each type of test or certification, such as Oeko-Tex 100, AZO dyes, Fastness, etc.  

Lab Testing and Certification

This is the material for the DGA gemmological diploma course. The course we organized is a gem diamond diploma originated from England. We have translated the whole set of lecture notes into Chinese version for the better absorption of the course takers. 	 Original notes in English version available 	 Also the translated Chinese version 	 Takers can accquire the DGA diploma level in Hong Kong  

DGA Gemmological Diploma Course

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

Nemko can issue IECEE CB, handle IECEE Recognition certificate, CITC, Product Certificate, Shipment certificate for market access to the Kingdom of Saudi Arabia market. 

SASO Service

Children's Jewelry Testing STC is offering comprehensive Children's Jewelry testing to ensure product safety and quality. As excess content of heavy metal may trigger contact allergies and dermatitis, children's jewelry and accessories, such as bracelets, earrings, necklaces, and rings, must comply with Registration, Evaluation, Authorisation, and Restriction of Chemicals (REACH) chemical regulations for nickel release, lead, cadmium and phthalates to be marketed in the EU.  Those intended for markets in the United States must comply with chemical limits set forth by the U.S. Consumer Product Safety Improvement Act (CPSIA), American Society for Testing and Materials (ASTM) F2923 and California's Proposition 65.  Children's Jewelry Testing services include: Total Lead ContentTotal Cadmium ContentNickel ReleaseHeavy Metal TestingPhthalatesPhysical Testing (tension, torque, flammability, sharp point, sharp edge, small parts, etc.)Country Europe (EN71-3, EN1811, EN12471 &amp; EN12472, REACH)USA (CPSIA, ASTM F2923 &amp; ASTM E1613, California’s Proposition 65)China (GB 28480)If you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/services/detail/children-jewelry 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. 

Children Jewelry Testing

Japan Safe Goods Mark The product scope for SG Mark certification covers a wide range of selected consumer products that could pose potential danger to human life or cause injuries in terms of their structure, material and or usage. Products bearing the SG Mark have met SG Standards that have been formulated based on the expertise and opinions of consumers, manufacturers, distributors, testing &amp; inspection institutes, and government offices to ensure safety compliance.As a Consumer Product Safety Association (CPSA) accredited service provider, STC is your trusted partner for one stop comprehensive and professional services. We can assist manufacturers in ensuring product compliance with SG Standards and help manufacturers obtain SG Mark certification to enhance product competitiveness and accelerate grow in the Japanese market.SG Mark Certification - Product Scope Group 1. Product for Babies &amp; InfantsGroup 2. Goods for the AgedGroup 3. Furniture &amp; Household UtensilsGroup 4. Kitchen UtensilsGroup 5. Equipment for Sport &amp; LeisureGroup 6. Fitness Equipment for Home UseGroup 7. Equipment for Bicycle &amp; AutomobilesGroup 8. OthersIf you have any further question, please feel free contact us or visit our website: https://www.stc.group/en/services/detail/Japan-SG-Mark-Certification 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. 

Japan Safety Testing SG Mark

Water is the essence of life and we place great emphasis on the quality of water through STC extensive water quality testing services. Acquiring HOKLAS accreditation for tap water, drinking water, cooling tower water testing and more, our environmental analysis team can identify chemical, physical and microbiological parameters with reference to WHO, BP and GB standards to ensure safety compliance.  Additionally, the emission of hazardous substances into the air such as volatile organic compounds (VOCs) and formaldehyde have also become an increasing concern for public health. STC’s experienced chemists and state-of-the-art VOCs chambers can access and detect even trace amounts of hazardous substances in building materials, furniture, and home decorations.  Our Environmental Surveillance &amp; Analysis services include: Drinking Water Heavy metal analysis(e.g. lead, cadmium, chromium, nickel, copper, antimony, etc.)WHO standards, WSD Circular LetterPurified water in containers(BP 2017, GB 5749, GB 8537, FDA, etc.)Water Filter Performance TestingRadioactivityGuidelines for Drinking Water Quality(2007 ed.)Purified Water Water for Analytical Laboratory Use(ISO 3696)Quality Water Supply Schemes for Buildings–Fresh Water (Plus) Chemical and Microbial testing(e.g. iron, colour, conductivity, pH value, turbidity; coliform organisms, E. coli)Heavy metals(e.g. lead, cadmium, chromium, nickel)Guidelines on Cleansing &amp; Disinfection of Fresh Water Inside Service Chemical testing(e.g. colour, conductivity, pH value, turbidity, free residual chlorine)Microbial testing(e.g. count of E. coli, heterotrophic plate count)Waste Water &amp; Cooling Tower Water Chemical analysis(e.g. BOD5, COD, Odor, Oil and grease content, SV30, etc.)Metal content(e.g. lead, cadmium, chromium, nickel)Microbial testing(e.g. coliform organisms, E. coli, fecal coliforms, Heterotrophic plate count, Legionellapneumophila, etc.)Air Quality Microbial quality testing(e.g. particle count, airborne bacteria, yeast and mould count, etc.)Volatile Organic Compounds VOCs(e.g. dichloromethane, methylethyl ketone (MEK), toluene, benzene, etc.)Formaldehyde Compliance(ASTM D5582, ASTM D6007, ASTM E1333, CARB/EPA TSCA Title VI, EN717-3, EN120)Plastic Testing Identification and Conditioning testingChemical analysis(e.g. bis-phenol A, PAHs, phthalates, etc.)Metal Testing Alloy Composition TestingCorrosion Testing(e.g. salt spray, etc.)Nickel ReleaseMetal ImpurityIf 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. 

Environmental Analysis

Why should you use Hong Kong’s testing and certification services? High Professional IntegrityGood Intellectual Property ProtectionHigh Technical CompetenceQuick Response to Market NeedsRobust Accreditation System Being Highly Regarded InternationallyA Free Port with Excellent Logistics SupportYou can find more information about Hong Kong’s testing and certification sector from the website of the Hong Kong Council for Testing and Certification (HKCTC): www.hkctc.gov.hk To find quality reports / certificates? Look for the HKAS Accreditation Symbol!All endorsed test reports / certificates issued by Hong Kong Accreditation Service (HKAS) accredited organisations bear the HKAS accreditation symbol with the registration number of the accredited organisations. Wide Recognition of HKAS-Accredited OrganisationsHKAS' accreditation is recognised in over 100 economies, including all major trading partners of Hong Kong such as the United States, European Union, Mainland China and Japan. Accreditation helps users to identify reliable conformity assessment service providers. You can find service providers accredited by HKAS and their scope of accreditation from the website of HKAS:www.hkas.gov.hk 

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