Changsha ShiLi Superhard Material Co., Ltd., founded in 1993, is a high-tech private enterprise specilizing in synthesized single diamond of fine grain & ultrafine grain. For twenty years, we company have been devoting to the research of the synthesized signle diamond of fine & ultrafine grain with our own intellectual property (seven patents in total till March 2013), and now we are the professional manufacturer for fine grain combining research, production and marketing together.

The registered trademark of our diamond products is 'ShiLi', awarded as 'Hunan famous trademark'. And we are the first in Hunan province to get the ISO9001 quality system certification in 2005, and authorized as the high-tech enterprise in 2008. Hundreds of enterprises in China and abroad have built closely good relationship with us with great approval on our products. ShiLi now has become the famous brand in terms of fine grain in China.

Range of grain sizes: 60/70 ~325/400, ultrafine 400/500, 500/600

Product types: RVD, MBD4, MBD6, MBD8 and MBD10.

We commit ourselves to continual innovation and advance with times, and seek 'three goods': Good clerks, good technology and good facilities. We have advanced production lines, strict progress control and perfect checking equipments; We own the completely independent-core production technology; And we also have a good team of high qualities and research abilities. We stick to good faith and win-win values as well as environmental-friendly production with scientific thought of development. With our unremitting efforts, we company are struggling to become an inprotant global base for synthesized diamond of fine grain.