Chung Shun Industrial Co., Ltd. Tianjin, founded in 1997, covers an area of 80,000 square meters, construction area of 15,000 square meters, with a total investment of 120 million yuan, the company is located in the south of Tianjin, sea and air transportation is very convenient, with good production and operation environment. 
 My company to produce high-precision, high-quality high-frequency straight seam welded steel pipe and spiral SAW led products, high-frequency welded pipe diameter of 140mm-340mm, spiral welded pipe diameter 219mm-813mm, outline level of N80 , X60, which are mainly used for transporting oil, gas, gas, coal slurry, pulp and oil casing, line pipe and used machinery, construction, aviation, electric power and other industries. Product implementation of API SPEC 5CT, API SPEC 5L, ASTM A53 and GB/T9711.1-1997, GB/T9711.2-1999, GB/T3091-2001, GB/T13793-92, GB/T14291-2006, GB/T5037 -2000 latest standards at home and abroad.