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Wuxi Eastsun Group is an API 5CT granted corporation to manufacture OCTG products, our company is established in 1983, and we are register supplier for CNPC, SINOPEC and CNOOC. We provides OCTG products with different steel grades and threads as follows: tubing pup joint, casing pup joint, tubing coupling, casing coupling, tubing, casing, and API 5CT crossover. Our production equipment is as follows: two production lines consist of twelve CNC lathes to cut pipe surface and eight CNC lathes to cut threads, we introduced two automatic painting machines to ensure perfect surface of tubular goods. And our test equipment is as follows: two hydraulically test equipment to ensure strength our products as per API requirement, two torque test equipment to ensure our tubular goods can be jointed correctly. Threads of our tubular goods are phosphate processed to ensure threads for pup joints are protected to extend service life of pup joints. As one branch of Eastsun Group, Wuxi Eastsun Trade Co., Ltd is responsible for business, while the other two branches Wuxi Eastsun Petroleum Tubular Manufacturing Co., Ltd and Taizhou Guangfeng Oil Equipment Manufactory are responsible for manufacturing. Guided by API 5CT specification, we are willing to offer clients with excellent quality of products with best price