Jiangyin City Changjiang Steel Pipe Co., Ltd. by taking Changqiang, the producer of iron, steel and tube as the raw material supplier, based on various seamless steel tubes fabricated by manufacturers like Jiangyin Seamless Steel Tube Factory, Metal Tube Making Factory, Changgang Pipe Making Co., Ltd., and Jiangyin Changjiang Special Oil Pipe Manufacturing Co., Ltd., has established long-term and close business relationships with domestic large-scale steelmakers and petrochemical enterprises, such as Chengdu Iron & Steel Co., Ltd, Tianjin Iron & Steel Co., Ltd., Baotou Iron & Steel Group Co., Ltd, SINOPEC, CNPC, and CNOOC. The business scope ranges from the sales of seamless steel tube produced by the company to the dealership of domestic and imported products. Changjiang Steel Pipe Co., Ltd....