Hejian Ouman PDC Bits Co., Ltd. is a manufacturer who produce and export drill bits. We have Export Department, which specialize in the of various products made by ourselves including Drill bits, Drill, Pipe, tricone PDF Diamond TCL bits so on. During twenty ...

Wuhan Reetec Diamond Co., Ltd. (Wuhan for short) is a specialized company engaged in diamond composite materials research and development, design manufacture, the main products PDC cutters top dome inserts are widely used petroleum geological drilling ...