The registration address of si gang metal materials ltd. In qinghe river county is located in the eastern part of the village of maejiang, chein ha county, hebei province. The registration authority is the market supervision authority of qinghe county. The legal entity is represented by zhang aijun and operates in the area of wholesale distribution of metals and metal mines. Metals, welding materials (except for which investment is prohibited by the state), alloying furnaces and welding equipment. (projects subject to legal approval before operating with the approval of the relevant department)***