zhonmal Groug is established in 2000, locates in Shijiazhuang. 'We are an Iso9001 certified pipe making machine and cold rolled section stee) forming Machine manufacturen reputed enterorise in China's pipe making industry with te langest production papacity, the most advanced technology and strongest competitiveness one of the executive girectors of China Cold-formed Stee] Stucture Associawon and one ot China's top ten pipe making machinery brands Were are three slbeidlarli Romicanies respectively carry out technology devel opment, produc of predessing and mould manufacturing, Plant area 67000 m with machinng, heal weatment and assembly plants.