90mm DTH bit flat face domed button down the hole drilling bits DHD3.5 DTH bit

FOB Price Negotiable
Min.Order Quantity 1 Piece / Pieces
Supply Ability 20000 Piece / Pieces per Month
Port Tianjin or Qingdao or as client's requirement
Payment Terms T/T
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Company Profile

Business Type Manufacturer
Year Established 1999
We Provide oil packer ,torque anchor ,sucker rod centralizer ,gas anchor ,coupling ,washover pipe ,polished rod clamp ,tubing drain ,tubing anchor ,sucker rod roller /tubing centralizer ,thread protector for oil pipes ,sucker rod
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