According to the enterprise data, Zhangjiakou Tongtai Transportation Group Co., Ltd. was established on March 7, 2008, and its business scope includes licensing matters: road passenger transport operation; Road passenger station management; Road freight transport (excluding dangerous goods); Road transport of dangerous goods; Insurance agency business; Internet information service; Exploitation of mineral resources in non-coal mines; Tourism business; Building engineering construction; Construction engineering survey; Architectural engineering design; Urban construction waste disposal (removal); The first kind of value-added telecommunications services; The second value-added telecommunications service. (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 project: operation of road freight transport station; Motor vehicle repair and maintenance; Motor vehicle driver training; Retail of auto parts; Minibus rental business services; Non-residential real estate leasing; Intelligent vehicle equipment manufacturing; Sales of communication equipment; Sales of photovoltaic equipment and components; Lease of photovoltaic power generation equipment; Domestic freight forwarders; General cargo storage services (excluding dangerous chemicals and other items requiring permission and approval); Development and management of rural folk handicrafts and products, leisure agriculture and rural tourism resources; Planning and consulting of tourism development projects; Organize cultural and artistic exchange activities; Landscaping engineering construction; Engineering management services; Property management; Manufacturing of new energy prime mover equipment; Sales of new energy prime mover equipment; Research and development of wind farm related systems; Sales of wind farm related equipment; Manufacture of photovoltaic equipment and components; Technical services for solar power generation; Automobile parts and accessories manufacturing; Centralized fast charging station; Automobile sales; Used car broker; Appraisal and evaluation of used cars; Bidding agency service; Market management services; Water pollution control. (Except for projects subject to approval according to law, independent business activities shall be carried out according to law with the business license)