Hejian Smart Petroleum Machinery Co., Ltd.

Hejian Smart Petroleum Machinery Co., Ltd. was established in 1998. We are dedicated to producing tricone bits, PDC bits and all kinds of equipment for oil drilling. Our company is one the best cooperators CNPC field. Our turnover over RMB2.5 million per year. professional sincere. looking ...

Telephone：86-317-3180823Address：Junziguan,Shijing town, Hejian

King-Drilling Science&Technique HDD Tools Co., Ltd.(Langfang)

Telephone： 86-22-29437502Address：economic devopment zone