According to the enterprise data, Chongqing Tongliang Construction and Development (Group) Co., Ltd. was established in May 2007-15, and its business scope includes licensed projects: river sand mining, building construction (except nuclear power plant construction and civil airport construction), natural water gathering and transportation, building demolition (except blasting), hazardous waste management, tourism business, real estate development and operation, and road passenger transportation. Exploitation of mineral resources (non-coal mines) (projects subject to approval according to law can only be operated after approval by relevant departments, The specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: construction machinery sales, water resources management, irrigation services, project management services, machinery and equipment leasing, crop planting services, park management services, agricultural machinery services, intelligent agricultural management, agricultural gardening services, conference and exhibition services, Internet of Things application services, soil pollution control and remediation services, leasing services (excluding licensed leasing services), Development and management of rural folk handicrafts and products, leisure agriculture and rural tourism resources, agricultural production trusteeship services, sales of machinery and equipment, purchase and use of agricultural means of production, leisure and sightseeing activities, production, sales, processing, transportation, storage and other related services of agricultural products, and comprehensive utilization of agricultural, forestry, animal husbandry and fishery wastes. Technology, information, facility construction and operation, market management service, agricultural specialty and auxiliary activities, cement product manufacturing, technical service, technology development, technical consultation, technical exchange, technology transfer, technology promotion, cement product sales, electric vehicle charging infrastructure operation, scenic spot management, tourism development project planning and consultation, city park management, stadium and facility management (excluding high-risk sports), Construction of stadiums and facilities, general sports project management, sewage treatment and recycling, water pollution control, municipal facilities management, water pollution prevention and control services, sports competition organization, landscaping construction, advertising production, digital content production services (excluding publication and distribution), advertising release, urban and rural city appearance management, traffic and public management sign sales, land remediation services, building materials sales, light building materials manufacturing, and commercial complexes.