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hejian Cangzhou City Hebei Province China,Cangzhou,Hebei,China China
tricone rock drill bits 1.Sizes rang from 2 7/8" to 26" 2.Covers almost all IADC code 3.Reliable quality and price
Hejian New Field Petroleum Machinery Co., Ltd mainly operates tricone bits, three die steel teeth drill bits, three disc set teeth drill bits, diamond
1)TCI tricone bits for Mining and Rock Drilling The strength and wear resistance of inserts are improve by using carbide inserts with high strength an
Personne àcontacter Ms. Vesa Wei
Nom de la société hejian Cangzhou City Hebei Province China, Cangzhou, Hebei
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