The registration address of the ministry for the production of new building materials on the outskirts of copper hills is at no. 384 of the zhouyui villages on the outskirts of copper hills. The registration authority is the market supervision authority on the suburban areas of copper hills city, represented by a legal person, liu bei, and operates on general projects: stone processing of buildings; sale of building materials; sale of labour services (other than labour dispatch); sale of building and decoration materials; metal cutting and processing services (with the exception of licensing, self-employment of projects not prohibited or restricted by law)