Changsha Drilling Machinery Co., Ltd. (CTHC) Located in historic city: Changsha
It is a professional manufact........
Changsha Drilling Machinery Co., Ltd. (CTHC) Located in historic city: Changsha
It is a professional manufact........
Huada Superabrasive Tool Technology CO., Ltd. based on the technic from Huaqiao University, is the leader in m........
Huada Superabrasive Tool Technology CO., Ltd. based on the technic from Huaqiao University, is the leader in m........
Feilong Drilling Spare Parts Company specializes in tricone bits, rockbits, hammer bits, drill pipes, drill co........
Feilong Drilling Spare Parts Company specializes in tricone bits, rockbits, hammer bits, drill pipes, drill co........
Established in 1956, Hunan FLYDISC New Material Co., Ltd (Former State-owned 233 Factory) is one of the leadin........
Established in 1956, Hunan FLYDISC New Material Co., Ltd (Former State-owned 233 Factory) is one of the leadin........
Hebei Goldman Petroleum Drilling Engineering Co., Ltd. is a professional technology-oriented enterprise specia........
Hebei Goldman Petroleum Drilling Engineering Co., Ltd. is a professional technology-oriented enterprise specia........
Hebei Kannon Tools CO.,LTD,and she is a high technical enterprise specialized in researching,producing and sel........
Hebei Kannon Tools CO.,LTD,and she is a high technical enterprise specialized in researching,producing and sel........
our company is mainly engaged in the production of BQ/NQ/HQ/PQ wireline core barrel drilling tools,drill rod ........
our company is mainly engaged in the production of BQ/NQ/HQ/PQ wireline core barrel drilling tools,drill rod ........
