Product line

  Characteristics of the production line for seamless steel pipes:
 ▪The world's largest short-range hot-rolling production line for seamless steel pipes;
 ▪ Wide range of product lines and thick wall pipes (the maximum wall thickness up to 140 mm); products widely applied in supercritical high-pressure boilers, petrochemical industry, ship making and other fields;
 ▪ The piercing and rolling technology of Chengde possesses a number of patents in designing and manufacturing the equipment. Better surface condition thanks to shorter rolling time & good tooling quality
 ▪ Full series of equipment for heat treatment, high precision in control and strong capacity in processing.