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); construction services sub-contracting (in accordance with the law, subject to the approval of the relevant sector, the specific operation of the project is subject to the relevant sectoral approval documents or licensing documents)