Tianjin Chanyu Superhard Sci-Tech Co., Ltd., Original state-owned Tianjin Research Center for Superhard Abrasive, is a Hi-Tech private enterprise, which is registered in Tianjin New Hi-Tech Industry Park in 2002 with Import and Export License. It specializes in research, design, production, technology and application for synthetic diamond powder of micron and nanometer and theirs relative products. And the company has attained the certificate of ISO 9001: 2000 standard management system in 2006. Our company has strong technique support, also keep a close relationship with many academies and universities, such as Chinese Academy of Sciences, Tianjin University and Hebei Industry University. Professor Zhang Shu-da, General Manager, is one of the Specialist Allowance Honored by the State Council; active member of New York Academy of Sciences; the committee member of Superhard Branch, Technique Committee of China Abrasive and Tools Standardization; the member of Nanometer Research Center of Tianjin University. Under Prof. Zhang&＃039;s leading, we have obtained a lot of patents and good results. "The New Technique Method For Diamond Micron Powder--SDZ Method" has won the second prize of invention on Tianjin Sci-Tech Progress Reward. Its relative products, various sizes diamond paste, nanometer and micron diamond polishing suspension, boast excellent performance. Appraised by Tianjin Science and Technology Committee, "Diamond Polishing Suspension" has attained "International Advanced Level". "Modified Nanometer diamond Engine Oil" has attained "International Leading Level" appraised by Tianjin Science and Technology Committee. As up today, it is only one product in this kind of product in China which has own intellectual property. This Innovation Patent has been authorized by State Intellectual Property Office Of P.R.China.