Yinxin Gems Co., LTD.,  is established in 1993, the founder Mr. Mao Xianfeng is a senior mechanical engineer. We have been concentrated on the R&D of the gems cutting technology and the lean production of top gemstone. After 20 years' development, now we Yinxin Gems has become one of the most professional brand gems manufacturers in China mainland. Our products can compete with the three European famous synthetic gemstone brands, and we even have more new advantages.        

We have been adhering to customer-oriented, and we creatively provide valued clients with most competitive systematic gems production solution. Helping customers to continuously acquire new products, new advantages and new markets.

Especially our Gold Star brand gemstones, which has rich products, stable quality, and high cost-effective. It it loved deeply by jewelry companies and gemstone agents all over the world.

Relevant Standards and Certification as below

Gemstone Quality Standardaccording to European quality standards

Environmental protection certificationfactory industrial park has been certified by the government

ICA MemberWe are the member of International Association of Color Gemstone

Yinxin Ability and Experience

   1. We adopt One Stop with Five steps lean production, thus can guarantee the stability of different quality of our Gold Star brand CZ.

Rough control and R&DTop quality processing of preformsR&D and inovation of polishing machine and technologyQC whole supervision Brand Packing


2 We OEM for the world famous synthetic gemstone brands, and is exempted from inspection for many years. We build up a complete European quality and management system of high quality gemstones 

3 We cooperated with high quality jewelry factory (Ex: OVC, HSN, Nadri etc) for more than ten years, and we are listed as one of the most reliable gemstone suppliers.  

4 We supply three different levelss cooperation for valued clients, to meet their new demands of continuous innovation and development  


       1)   Regular Cooperation: As per the international gemstone standards, Yinxin Gems supply a series of high quality brand products, Gold Star 7A, 5A, 3A and Gold Stone 2A etc. It can meet all your gemstone requirements.  

       2)   Special Cooperation: Special orders and complicated orders all can be finished one time. We continuously develop a series of featured products for brand clients.

       3)   Innovative cooperation: We co-design and develop innovative products, help to R&D NEW, PECULIAR and SPECIAL products and develop new market.

    5The main clients we served to are: Big or middle jewelry factory all over the world, clock and watch factory, design company, gemstone wholesaler and the gemstone agent which we authorized. 

 Products Structure and Service Characteristics

1.  Five types of raw material: Synthetic Gemstones, Semi-precious stones, Precious gems, Pearls and Health Stones.

2 Five different cuttings: Diamond Cutting( Heart & Arrow), Ball Cutting, Fancy Cutting, Special Cutting and Color Cutting.

3. Three service Characteristics: We can produce as per your request for special rough, special shape, special color etc.


Ⅲ Table of quality grade and corresponding jewelry factory 



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    Address:Jianhongda building room 2512,Section 1,Middle of Furong Road,No.479,Changsha,Hunan,China

    Post code:410005 Tel: (86)731 8288 2518 / 86-0731-82882519 Fax: (86)731 8258 0358 E-mail:xianfeng@jewel-xf.com


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