Our company specialize in producing and selling api standard drill pipe from 2-3/8''od to 5-1/2''od.With steel grade e75, x95, g105, s135.We can supply both nc, if, fh connection type and special connection type as ht55.Mainly used in oil and gas exploration and development process of deep well , horizontal well and extended reach well. Comprehensive properties: good smooth finish , favorable flexibility, strong resistance to impact, outstanding adhesion, and wonderful corrosion resistance. In recent years, under ¡¡ãcustomer focus¡¡à guide, haixin has been devoting itself to expand the international market. Its products are found in many countries and regions such as middle east, latin america, russia, south asia, oceania and southeast asia.. Standard export bundle wrapped with strong steel strip or as customer's requirements.