Description

Made-to-order drilling rods can be supplied according to your detailed requirements. 1, light weight (lighter than the old-fashioned drill pipe *5%) 2, footage soon, dust small vertical holes left after drilling cuttings, into a hole clear. 3, card beans quickly and easily connect and save banding material. 4, under separation of body and drilling may be the end, the use of life extended. 5, water-based wet good pass operation. For detail specifications or special types inquiry please feel free to contact with us.