DongE zuanbao diamond Co.,Ltd is the specific manufacturer of Polycrystalline Diamond (PCD) and its byproducts. This factory has strong technical power, complete checking methods and unique techniques. The products are unilateral and poly artificial diamond, composite tablet, drawing model diamond, with its various categoies and different scales as well as all kinds of types enjoys large market at home and abroad. The annual produce according to customers" demand. At present, the poly diamond holds large share in domestic marker. And since 1993, it has had market channels in USA and Hong Kong, with its excellent technique and stable quality the product enjoys high praise both at home and abroad.