The registration address of chengdu ring hot materials ltd. Is located at 15 jinwon road, jinwon township, chengcheng metropolitan district, sichuan province (in the area of the central industrial development of the capital city). The registration authority is the market supervision authority of taicheng county, representing zheng jun, and operates on the basis of production and sale of hot materials, communications equipment, piping protection materials, fittings for pipes, architectural decorations (excluding dangerous chemicals), anti-corruption engineering designs, construction. (the scope of the above-mentioned operations does not include national laws, administrative regulations, projects which are expressly prohibited or restricted by a decision of the state council and involve qualified and certified operations)。