The registered address of the city of zhong yi is the village of tietsu, in the town of zhongcheng; the registration authority is the city market supervisory authority of zheng yi. The legal entity is represented by yang zhenghua and operates on general projects: production of fire-resistant materials; manufacture of eco-environmental materials; manufacture of specialized chemical products (excluding dangerous chemicals); production of chemical products (excluding licensed chemical products); manufacture of non-metal minerals; sale of fire-resistant materials; sale of dedicated chemical products (excluding dangerous chemicals); marketing of ecological environmental materials; sale of chemical products (excluding licensed chemical products); sale of non-metallic minerals and products; experimental marketing of animal gaskets; industrial engineering design services; packaging services (in addition to legally approved projects, operating autonomously on the basis of a legal licence); c...