Cahard Diamond Tools, a brand from Jiande Industrial Co. Ltd. is a professional manufacturing company that focuses on the research and development of reinforced concrete drilling & cutting diamond tools and stone quarrying diamond tools. The company covers an area of more than 30,000 sqm, of which more than 5000 sqm is in the R&D center, and is mainly engaged in Jiande drilling & cutting construction and Jiande diamond tool manufacturing. At present, Jiande has over 100 drilling & cutting constructors and over 100 various reinforced concrete drilling & cutting devices. Jiangxi Jiande Concrete Cutting Association was founded in 2012 and has more than 30000 members now. Diamond tools produced by Jiande are partly distributed to the academicians and to more than thirty countries all over the world.