The registration address of henan circumpolar valves manufacturing limited is at no. 11 of the north section of the western town of changchang road, xhengzhou city, henan province. The registration authority is the zhong yi city market supervision authority, represented by the legal person zhang sihong. The scope of the operation includes general projects: manufacture of hardware products; wholesale distribution of hardware products; casting of black metals; construction of metal structures; sale of metal structures; manufacture of rubber products; sale of valves and rotors; manufacture of metal processing machinery; metal cutting processing services; import and export of goods; import and export of technology (run autonomously on the basis of a legal licence, except for legally authorized projects)