Our company specialize in producing and selling the API Standard drill pipe.The OD from 2 3/8" to 5 1/2" and steel grade from E75 to S135.Mainly used in oil and gas exploration and development process of deep well.horizontal well and extended reach well.
Comprehensive roperties:good smooth finish, favorable flexibility, strong resistance to impact, outstanding adhesion and wonderful corrosion resisitance character.
Range of application:Petroleum drilling engineering.