The registration address of changsunda metals products limited in hebei is located in the economic development zone (in the house of deze steel manufacturing co. Ltd.) of yizhou, hebei province. The registration authority is the district monitoring authority, represented by a legal person, chiang tao, which operates in other buildings and in the manufacture of safe metal products. Safe climbing, scaffolding, beret blades, assembly bridges, bridge (subterrestrial) support, road-bridge (subterrestrial) mechanical equipment, construction equipment, road (rail) instruments, environmental equipment, hardware tools and ancillary materials production, sale, lease. Subcontracts for construction services. (projects subject to legal approval may not operate without the approval of the relevant department)