At present, the main processing products cover various types of Gas-tight tubing coupling connection, L80-3Cr, 13Cr series high resistance and corrosion resistant oil casing, API 5CT oil casing, coupling, pup joint, crossover and all kinds of oil accessories for a wide range of applications in global oil fields. The products have been supplied to Daqing, Liaohe, Tanggu, Shanxi, Xinjiang and other domestic oil fields for a long time. At the same time, they are exported to Southeast Asia, Africa, South America and other overseas countries, and have been unanimously recognized and praised by the majority of customers.