According to the enterprise data, Chongqing Tongnan Industrial Investment Development (Group) Co., Ltd. was established on 20 18-04-03, and its business scope includes licensed business projects: municipal solid waste management services; Kitchen waste disposal; Hazardous waste management; Urban construction waste disposal (removal); Production and supply of tap water; Collection and distribution of natural water; Capital operation, industrial investment and post-investment management within the industrial park (no financial business such as absorbing public deposits or absorbing public deposits in disguised form, issuing loans, securities and futures); Residential buildings; Gymnasium building; Highway engineering construction; Municipal road engineering construction; Urban rail transit engineering construction; Ordinary road freight. (Projects that need to be approved according to law can only carry out business activities after being approved by relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments. General project: recycling of renewable resources (except productive scrap metal); Productive recovery of scrap metal; Sales of renewable resources; Processing of renewable resources; Non-metallic minerals and products sales; Supply chain management services; Domestic trade agent; Domestic freight forwarders; Procurement agency service; Wholesale of refined oil (excluding dangerous chemicals); Sales of petroleum products (excluding dangerous chemicals); Tree planting management; Flower planting; Agricultural and sideline products sales; Manufacturing of domestic waste treatment equipment; Sales of domestic waste treatment equipment; Rural domestic waste management services; Sales of metal materials; Non-ferrous metal alloy sales; Sales of building materials; Sales of chemical products (excluding licensed chemical products); Sales of plastic products; Water pollution control; Water resources management; Irrigation services; Advertising; Advertising design and agency; Parking management service; Storage services (excluding dangerous chemicals); Property management; Import and export of goods and technologies (except those prohibited by the state or involving administrative examination and approval). (Except for projects subject to approval according to law, independent business activities shall be carried out according to law with the business license)