Since 1998 we have worked in the diamond tools industry as the sales,managers and engineers.We created ET DIAMOND on 2010.As the young company,we have a brand new mind of companys principle.Comparing the benefit,we prefer quality goods and quality service.This is big change,because most Chinese companies see benefit first,quality less.We believe low benefit and excellent quality is the only way to success in future.As the rich experience company,we would supply you good quality of diamond cutting tools and diamond grinding tools for stone and concrete industry.We do sure we could be your long time and reliable partner in China.