YONGDA PIPE.YONGDA PIPE was established on January 22, 2008, with its registered location in Hai'an City, Nantong. It is a specialized manufacturer of petroleum drill pipes, weighted drill pipes, drill collars, square drill pipes, casing, tubing, and related products. The company occupies a site area of 320,000 square meters with a building area of 110,766 square meters. It currently employs 418 staff members, including 165 technical professionals and 81 senior engineers. The company possesses 168 sets of various processing equipment, including CNC lathes and vertical machine tools, with an annual production capacity of 100,000 tons. It operates an MTI drill pipe production line imported from the United States, a drill pipe joint production line, a tubing end thickening production line, and a 100,000-ton pipe body integral heat treatment production line. Additionally, the company operates a casing production line and a tubing production line. Notably, it possesses an independently developed, technologically advanced one-step integral weighting drill pipe production line. This process enhances the strength, reduces the cost, and extends the service life of weighting drill pipes. Additionally, our company operates a unique drill pipe body thickening production line, where the internally thickened transition sections exceed 195mm. This enhances the drill pipe's strength and toughness, extends its service life, and achieves the goal of reducing drilling costs. The company has obtained QHSE certification, the American Petroleum Institute (API) SPEC 5DP and API 5CT product mark usage licenses, and the American ARNCO Company wear strip welding certificate. Primary products include: standard tubing, sulfur-resistant tubing, special thread tubing, standard casing, sulfur-resistant casing, special thread casing, standard drill pipe, sulfur-resistant drill pipe, cryogenic drill pipe, special (high-performance) joints, seamless drill pipe, high-strength drill pipe, oil drill pipe, welded weighted drill pipe, integral weighted drill pipe, non-magnetic drill collars, and standard drill collars.
