Sun Yin Crystal Industry Co Ltd

The featured colour ring is made of sapphire crystal and has high luster and excellent hardness. It comes in a modern design and has excellent quality. This sapphire glass flaunts a neat and luxury appearance and makes an excellent component for high end accessory and watch components. High-quality sapphire crystal glassWith anti-impact and anti-scratch features.With high electrical resistance.With high corrosion resistance.Features great thermal stability.Features a high melting temperature of 2030 °C.With a high hardness of 9 Mohs, which is second to diamond.High quality.Excellent component for high end watches and jewellery.Vickers hardness: 2000 - 2500 daN/mm2.Optical properties: 1.760.Available in customized designs.

Sapphire Crystal Rings Watch Accessories

AIGS Lab Co., Ltd.

This report comes in standard A4 size paper and red cover with gold embossed lettering. The cost of the report includes &quot;origin&quot; (whenever possible) as well as use of trade names such as &quot;pigeon blood&quot; and &quot;cornflower&quot; blue. Every &quot;premium gemstone report&quot; is signed by Dr. Dietmar Schwarz, one of the world's renowned gemologists who formerly spent 20 years as of Head of Research in Gubelin Laboratory (Lucerne, Switzerland).
 
  Satisfactory service. 
  Great report. 
 

Premium Gemstone Report

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

Saiko Gems

Our Company has its business ventures in Japan(head office) , India &amp; Hong-Kong. We provide precious as well as semi precious stones , Natural Diamonds , Colour Stones ,Jewellery of all types. We also provide services like polishing, manufacturing the Jewellery etc , we would appreciate to prepare Jewellery on demand as well. All our Jewelleries are manufactured in Japan. We are looking forward to expand our business worldwide. We would be pleased to know your requirements and interest in dealing with us. Awaiting enquiries from you. You can email me for any queries &amp;/or enquiries 

Jewellery and Gemstone

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

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. 
 

Pollux Enterprise Ltd

 	  Qingdao  has long been one of the  most important manufacturing base  of costume jewellery and fashion jewellery in the Northern part of China.&nbsp; In addition to the&nbsp;high concentration of factories run by Koreans, there are also&nbsp;numerous&nbsp;domestic Chinese factories. 	 Qingdao is also famous for fashion accessories items, such as belts, bags and hats 	 Established in Hong Kong  since 1999,  we offer our service as  sourcing agent  for customers who want to buy from this area with ease, effectiveness and efficiency.&nbsp; 	 We perform  pre-screening of&nbsp;qualified factories , plan and organize&nbsp;buying trips, follow up with site orders and&nbsp;take care of&nbsp;all the logistics. 	 Our experienced QC staff stationed in China will carry out quality inspection prior to goods dispatch 	 you can  consolidate shipment  with purchases from other parts of China e.g. Zhejiang Yiwu and Guangdong. 	 With our dedicated and professional service, you can concentrate on building up your seasonal collections through one standardized channel, instead of spending time on the routines of dealing with individual factories.&nbsp;&nbsp; 	 Our service commission&nbsp;is based on a pre-agreed percentage&nbsp;of shipment value, which is simple and straight-forward, and&nbsp;without any&nbsp;hidden costs.  

Buying Agent for Sourcing Jewellery Items from Qingdao

This shows the gemstone certitication services provided by Asian Gemmological Institute And Laboratory. We grade the gemstones with objective laboratory equipments. The results is presented in the form of a certificate. 	 At this time, we support gradings of jade and diamond 	 The grading system may includes other kinds of gems in the future. 	 Comprehensive grading report on the carat, colour, clarity and cut  

Gemstone Certitication Services

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

GIL provides professional South Sea pearl testing services with a gem identification report. We utilize the most advanced testing equipment for accurate test results. The report includes detailed description of the tested stone&nbsp;on Chelsea color filter, UV long and short wave, surface texture, laser Raman spectrum, cathodoluminescence, etc.
 
  Internationally recognized. 
  Reliable source for buyers. 
  Independent and unbiased. 
 

Onsite South Sea Pearl Testing Service

Hong Kong Gemstone Manufacturers' Association

   The only wholesale center with over 100 colour gemstones, semi-precious stones, jewellery and pearl.   The manufacturers are in Hung Hom.   There are displays of various kinds of jewellery behind the glass.  

Hong Kong Gemstone, Pearl and Jewellery Exchange Center

Global Sources Publications (Holdings) Ltd

 	 Professional trade magazine sourcing guide for diamond and pearl industrial. 	 &quot;Global Diamond &amp; Pearl&quot; provides the latest supplier information on fine jewelry, diamonds, precious stone, semi-precious stone, pearl jewelry, fresh water pearl, cultured pearl, etc.  

Trade Magazine Global Diamond and Pearl

S Goldi (Asia) Ltd

This is a diamond trading service provided by S. Goldi (Asia).&nbsp;It provide an Internet platform for diamond trading between businesses.&nbsp;It enables motivated buyers and sellers to achieve fair prices during the trade. This Internet platform&nbsp;promises diamond trading with ease.

 
  Especially designed for B2B trading. 
  A reliable trading platform. 
 

Diamond Trading Service

   The Hong Kong Gemstone Manufacturer''s Association website provides different functions for user   Business matching enables users to find their partner in the fastest way   Job vacancy function enables users to find their job in a short period of time   Companies and their products are also available to search by the built-in search engine   Time would be save by using this website  

Hong Kong Gemstone Manufacturers' Association's Website

This is a business-to-business diamond trading service. The internet platform provides the diamond trading with ease. The jewelry service is provided by S. Goldi (Asia). 	 E-trading of diamond materials 	 Diamond website specialized for B2B trading  

Hong Kong Gemstone Manufacturers' Association (HKGMA) was founded on 18 January 2005. It is the first and only dedicated trade association in Hong Kong gemstone industry. Since its inception, HKGMA has received a strong support from the industry and maintained a solid membership base with more than 200 corporate members and supporting organizations.
 
  Diversified and representative membership. 
  To unite all participants in gemstone industry. 
 

Jewelry Association

   An one-stop-for-all wholesale center of different kinds of jewellery.   The available products are colour stones, semi-precious stones, pearl, carving and jewellery.   With the systematic display of all jewellery, it is easy to locate the jewellery.  

Shiny Crafted Metal Manufacturing Company

Market-Driven Jewelry R&amp;D: From Brand Customization to Precision Mass ProductionService Overview:Move beyond generic manufacturing—partner with a team that understands what sells. We are more than a factory; we are your Brand R&amp;D Partner. We offer a high-efficiency, one-stop solution that merges acute market intuition with master-level expertise in rare materials. Our philosophy is simple: we create designs that aren't just aesthetically pleasing, but commercially successful. Our Core Commercial Value:Market-Proven Design Team: Our designers prioritize commercial trends over abstract art. We specialize in deep customization based on your Brand Identity, ensuring every piece aligns with current market demand and consumer psychology. Commercializing Rare Materials: We are among the elite few capable of mass-producing high-quality jewelry using Genuine Meteorite, Damascus Steel, and Forged Carbon Fiber. We turn these "exotic" materials into scalable, high-margin bestsellers. Original IP &amp; Technical Moats: We offer exclusive, factory-original designs including proprietary magnetic clasp structures and unique surface etching techniques. Choosing us gives your brand a unique competitive edge that cannot be easily replicated. Seamless One-Stop Execution: Our "End-to-End" service is designed to completely lift the operational weight off your shoulders. From brand-specific concept development and 3D modeling to mold making and final production, everything is handled in-house. You provide the vision; we deliver the reality. Comprehensive Service Scope:Brand-Oriented R&amp;D: Deep analysis of your target audience to develop exclusive annual or seasonal collections. High-Performance Material Processing: Solving industry pain points such as meteorite rust-proofing, Damascus pattern control, and precision carbon fiber machining. Advanced Engineering Translation: Converting complex concepts into ergonomic, durable, and production-ready structures. Hybrid Craftsmanship: Combining high-precision CNC machining with traditional hand-polishing to meet the standards of the luxury market. We don’t just talk about art; we focus on how original design and rare craftsmanship can increase your brand’s premium and market share. 

Market-Driven Jewelry R&D: From Brand Customization to Precision Mass Production

Hong Kong Jewelry Mfrs Association

Hong Kong Jewelry Manufacturers&#39; Association Established in 1988. Hong Kong Jewelry Manufacturers&#39; Association (HKJMA) successfully obtain ISO9001:2008 certification. HKJMA are committed to unite our industry players and foster the healthy development of the industry. We have been striving for the interests of Hong Kong Jewelry Manufacturers, not only provide diversified services and activities, but also deliver latest information to increase the productivity and product quality of jewelry manufacturing in Hong Kong and to strengthen the ability to compete with overseas manufacturers. Being a platform for jewelry manufacturers to exchange ideas and solve problems, we work closely with Hong Kong jewelry manufacturers and express opinions of jewelry industry to the authority concerned to advocate Hong Kong jewelry industry development and improve business operating environment. Organizing &quot; Hong Kong International Jewelry Manufacturers&#39; Show&quot; Since 1995, HKJMA and our quarterly magazine &quot;Hong Kong Jewelry Express&quot; have been organizing &quot; Hong Kong International Jewelry Manufacturers&#39; Show&quot; annually. It keeps a steady growth and has become one of the largest Asian jewelry events at year-end, serving as and &quot;immediate sales &amp; trading platform&quot; for global buyers. In 2013, the show has been recognized by UFI and since then become an UFI approved event.

Hong Kong International Jewelry Manufacturers Show

Amontre (Asia) Watch Industry Co., Ltd.

RESEARCH AND SOURCING  We pioneer coatings, treatment and material sourcing to guarantee flawless, on-time delivery. Integrated global supply chain reducing component/finished watch procurement costs by 5%-30% (bench-marked per project). 

OEM RESEARCH & SOURCING

Great O'Bay Limited

Procurement of Black Mass Through collaboration with international partners, we focus on procuring black mass that meets various standard specifications. We build long-term partnerships with battery dismantlers and recycling processors to support remanufacturing and recycling businesses, and to work toward establishing stable recycling channels and a reliable supply system. Together, we promote sustainable use of resources, realize the value transformation of black mass, and create greater economic benefits for companies. We are dedicated to building a robust circular-economy supply chain and actively sourcing battery black mass of various specifications from market partners. We place great importance on compositional consistency and quality of black mass, as these directly affect our subsequent purification efficiency and the value of the final products. The metal quality of black mass directly impacts transaction outcomes; therefore, the company places special emphasis on the reliability of sources and the chemical composition of materials to ensure the best possible recycling results. 

Procurement of Black Mass

The Gem & Jewellery Export Promotion Council

The Gem and Jewelry Export Promotion Council plays various roles&nbsp;in trade facilitating, advisory, nodal agency for the Kimberley process certification scheme, training and research. The apex body of the&nbsp;organization has also contributed to the evolution of the Indian gem and jewelry industry.
 
  Creator of artisans and designers. 
  Takes part in various sectors. 
 

Jewelry Promotion

Hong Kong Jewelry &amp; Jade Manufacturers Association has an aim to safeguard members' interests. We have been extending the reach of our services to building up a wider business network overseas. We have plans to reach potential buyers by leading business delegations and organizing trade fairs.
 
  We continue our hard work to unite our members. 
  Fight for maximal interests for members and maintain the worldwide edge of trade. 
 

My Sourcing