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hejian,Cangzhou,Hebei,China China
1.Roller bits of steel tooth bits 2.IADC:127 3.Bit pressure:0.35~0.90kn/mm 4.Used for:well drilling, oil drilling and so on
O Ring Seal Is Made Of The More Wear Resistance High Staturated Buna-N With The Increased Seal Section And Precisely Designed Sealing Flange In The
tricone rock bit Reliable bearing system Long life Promotional price Fast Drilling Rate Strong Cutting Structure Durability Be Used For Wate
連絡先担当者 Bella wang
住所 hejian, Cangzhou, Hebei
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