Hejian Zhongman Petroleum Drilling Equipment Co., Ltd.

http://indotrade.co/hjzhongman

Hejian Zhongman Petroleum Drilling Equipment is professionally engaged on manufacturing well drilling bits for oil and gas drilling, coal mining, water well drilling and construction industry. The main products are tricone bits, pdc bits, pdc cutters, anchor bit, coring bits and drag bit. If any need or question, get back to me with detail requirements.

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