 Solidkey Petroleum Machinery Co., Ltd. locate at Hejian City, Hebei
Province, China, south of Beijing 180KM, and 170KM from
Tianjin(Xingang) seaport, at the beginning of company established
in 1983, our work was producing customized drilling tools.
As time goes on, we are developing the team of technologists in
both research and application, innovating equipments of production
step by step stably to meet with customers' requirements.
Our essential products are PDC bits, tricone bits, ... |
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