According to the enterprise data, Tangshan Renewable Resources Co., Ltd. was established in 2000-0/-13, and its business scope includes the recycling and sales of productive waste metals; Wholesale and retail of steel, hardware, chemical products (except fertilizers, pesticides, agricultural films and dangerous chemicals), building materials (except lime and wood), pig iron, general machine tools and accessories, and metal and mineral products (except special national approval projects); General freight (limited to branch operations); Acquisition and sale of civil waste materials; Housing lease; Recycling of waste electrical appliances (can be operated only after filing); Enterprise management consulting services * * * (projects subject to approval according to law can only be operated after approval by relevant departments)