Steel sucker rod 1.The series of products in germany advanced production technology, on the basis of the integration Of our company and the newest research achievements. 2.Drill rod body with high pressure seamless alloy steel pipe, spiral blade choose t steel with high Abrasion resistance, the prestressed winding welding and into. 3.High quality carbon in the alloy steel are used for tool joint is air conditioning quality processing, High pressure molding. 4.This series product the square or hexagonal fast connection, when used by the spring pin Automatic lock, with u or half ring out of stock, the optimal torque of drill pipe. Featurs: 1, ligh.T weight (lighter than the old-fashioned drill pipe 45%) 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