Zhongli become the fastest growing stainless steel seamless pipes manufacturer in China. Our products include cold rolled, cold drawn, and polished stainless seamless pipes (External diameter: 6 to 530mm, wall thickness: 0.8 to 25mm, length: 0.1 to 18m), with yearly production capacity of 7, 000 metric tons stainless steel pipes. Ferrite duplex stainless steel, and austenitic stainless steel are all made abiding by National Standard GB, America Standard ASTM and ASME, Japan Standard JIS, and Germany Standard DIN. We produce quality stainless steel seamless tubes in austenitic 304/304L/304H, 316/316L, 321/H, 347H, 317/317L, 310S as well as duplex pipes and tubes S31803. Our producing equipments include cold-drawing bench, straightening machine, and continuous type annealing furnace.The company has set up a strict quality assurance system. Certified by Lloyds acc. to ISO9001 & and PED/97/23/EC authorized by EU Pressure Equipment.â??Appreciation of customers is everlasting purpose of zhongliâ??, weâ??ll continuously seek for supplying superior quality products and first class service to domestic and abroad customers.