Huanyu Petroleum Machinery Co., Ltd.

Hejian Huanyu Petroleum Machinery Co., Ltd.. We are specialized Tricone bits, steel tooth,TCI rock bit , kingdream ,CS,Lilin brand,PDC drill bit...
cn China (Mainland)
 
 

Hejian Yinhai Drill Bits Manufacture Co.,Ltd

Hejian Yinhai Rock Bits Manufacture Co.,Ltd is a Roller cone bits and PDC bits enterprise, our bits basing on high-tech skills and designs are used in...
cn China (Mainland)
 
 
 

Hebei Zhankui Drilling Equipment Co.,LTD

Hejian Zhankui DrillingSpare Parts Company was established in 1980. Suppliing Tricone bits (newand renew),PDC bits ,drill pipe drill collar ,put...
cn China (Mainland)
 
 

Berkat Mulia Wiratama PT

Palm oil mill contractor, port and material handling, dredger and marine work
Coal mining and trading
 
 
 
 
 
 
 
 
 
 
 
 
 
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