•State-of-the-Art Facility: Our factory covers 60,000 square meters, featuring specialized zones for cutting,polishing, quality control, and packaging. •High Production Volume: With monthly output of 350 million CZ stones and thousand meters of gemstone chain, we cater to both large-scale commercial needs and boutique custom orders. •Unmatched Expertise: With over 30 years of experience in cutting and polishing and sustainable machine improving, our craftsmanship ensures that every gemstone achieves its highest brilliance and fire. •Quality Assurance: Our facility has latest optical inspection equipment which instead of the naked eye checking, and we conduct 100% inspection of all products to meet the most rigorous quality standards. •Sustainable Manufacturing: We follow environmentally responsible processes, using non-toxic materials and energy-efficient technologies to minimize our ecological footprint. Currently in the process of transitioning to renewable energy as our 4 phases on solar panels project with total US$ 800.000 investment. The first phase was done in 2024, and we aim for our 60,000 square meters factory to be at least 70% solar-powered by 2027
Manufacturing Process
1. Cutting & Shaping With over 30 years of experience, our skilled craftsmen use precision cutting technologies from Europe to shape each crystal into various forms, including Round Brilliant, Princess, Heart, Marquise, Oval, Cushion, and Custom designs. Our cutting expertise ensures that every CZ stone maximizes brilliance, symmetry, and visual appeal. 2. Polishing & Finishing After cutting, the stones undergo a multi-stage polishing process. We use the latest polishing equipment to achieve a smooth, mirror-like finish, ensuring that each stone has exceptional sparkle and clarity.
3. Quality Control Our dedicated quality control team inspects every CZ gemstone for color, cut, clarity, and overall quality. Utilizing both manual and automated testing systems, we guarantee that only flawless gemstones are packaged for delivery. 4. Packaging & Shipping After passing quality control, gemstones are carefully packaged to prevent damage during transit. With cooperate efficient logistics network (FedEx, DHL, UPS and etc...) ensures fast and secure global delivery to clients around the world.
Professional Gemstone Catena Provider
Production
Gemstone Chain works as a team to provide quality and efficiency to the hands of fellow jewelry industries. We differentiate ourselves to our competitors by utilizing the latest full automated Italian and German state-of-the-art technology provided in the market today. In addition, our engineering team continuously develops strategies to increase production efficiency and accuracy. To ensure quality is always delivered, our Quality Control team closely inspects each production step to final product.s.
Chain Specs
Materials: 925 Silver and Brass mainly Stone size: 1.50mm, 1.75mm and 3.00 mm Chain Welding: Laser beam welding to ensure sturdiness, flexibility and beauty of all chains Pulling force testing: 27N〜56 N (5 pounds ~11 pounds)
Certification
Gemstone CHAINS gladly provide you with any certification upon request, such as our SGS reports to meet the quality and safety standards for you to market these perfect chains. Different types of products targeted at different age group (e.g. children or adults) holds varying regulation requirements depending on the location these fine jewelry would be sold. In order to pass governmental regulations for the right to commerce, in the past we have provided our customers with silver and brass test SGS certification reports, these certifications have indicated that the products that we have delivered meet the regulations for the customers' targeted location in the following areas: Silver Gemstone Chain testing Lead in accessible substrate materials for determining "Standard Operating Procedure for Determining total Lead (Pb) in children's metal products (including children's metal jewelry). The lead test requirement on accessible material in the submitted sample is not applicable. The product scope that mentioned by CPSIA section 101(a)(2) is for children product up to age 12. Total Cadmium Content (Cd) in children's metal products requirement is 0.0075% limit quoted from US Connecticut Public Act 10-113. The SGS results indicate that Cadmium Content was NOT DETECTED, indicating meeting safety requirements. In addition, to provide you with an idea of product regulation requirements, the requirement for total cadmium in children's jewelry are summarized below for 2 states in America. In the state of Connecticut, under the Public Act 10-113 regulation, jewelry or children up to the age of 12 is required to be below 0.0075% detected, as of July 1, 2014. In California, under the Chapter 313 (SB 929, Statutes of 2010) regulation, jewelry for children up to the age of 6 is required to be below 0.3% detection, as of January 1, 2012. Nickel Release (With non-coated material) tested for the amount of release limited at 0.5ug/cm2/week and 0.2 ug/cm2/week requirements as specified in American entry 27 of Regulation (EC) No 552/2009 emending Annex XVII of REACH Regulation (EC) No 1907/2006 indicates our silver product passed the analysis performed by ICP-OES, with a nickel resale of 3 trials all indicating below 0.1 (ug/cm2/week), whereas the requirements of limit (ug/cm2/week) are 0.5.
Brass Gemstone Chain testing Lead in accessible substrate materials for determining"Standard Operating Procedure for Determining total Lead (Pb) in children's metal products (including children's metal jewelry). The lead test requirement on accessible material in the submitted sample is not applicable. The product scope that mentioned by CPSIA section 101(a)(2) is for children product up to age 12. Total Cadmium Content (Cd) in children"s metal products requirement is 0.0075% limit quoted from US Connecticut Public Act 10-113. The SGS results indicate that Cadmium Content was NOT DETECTED, indicating meeting safety requirements. In addition, to provide you with an idea of product regulation requirements, the requirement for total cadmium in children's jewelry are summarized below for 2 states in America. In the state of Connecticut, under the Public Act 10-113 regulation, jewelry or children up to the age of 12 is required to be below 0.0075% detected, as of July 1, 2014. In California, under the Chapter 313 (SB 929, Statutes of 2010) regulation, jewelry for children up to the age of 6 is required to be below 0.3% detection, as of January 1, 2012. Nickel Release (With non-coated material) tested for the amount of release limited at 0.5ug/cm2/week and 0.2 ug/cm2/week requirements as specified in American entry 27 of Regulation (EC) No 552/2009 emending Annex XVII of REACH Regulation (EC) No 1907/2006 indicates our silver product passed the analysis performed by ICP-OES, with a nickel resale of 3 trials all indicating below 0.1 (ug/cm2/week), whereas the requirements of limit (ug/cm2/week) are 0.5.
Production
Chain Specs
Certification
Why Choose Us?
• Over 30 Years of Expertise: With three decades of experience in cutting and polishing CZ gemstones, we bring unmatched skill and precision to every stone we produce.
• Massive Production Capacity: Our 350 million gemstones monthly output allows us to meet the demands of businesses, large and small, without compromising quality.
• Uncompromising Quality: We adhere to strict quality standards, ensuring that each gemstone meets the highest benchmarks for clarity, cut, and overall visual appeal.
• Advanced Technology: Our factory is equipped with cutting-edge machinery to ensure precise, efficient, and environmentally-friendly production processes.
• Custom Orders & OEM: We offer tailored solutions to meet specific design needs, including custom sizes, cuts, and colors.
