General Projects: General equipment manufacturing( Excluding special equipment manufacturing); Technical Services、 Technology Development、 Technical Consulting、 Technical Exchange、 Technology Transfer、 Technology Promotion; Special equipment sales; fan、 Fan Manufacturing; Heat production and supply; Manufacturing of special machinery and equipment for water resources; Hardware product research and development; Metal tool sales; Sales of building decoration materials; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Hardware product manufacturing; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Plastic product manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Import and export of goods; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery;Agricultural machinery manufacturing; Artificial intelligence application software development; Sales of special equipment for environmental protection; Sales of solar thermal products; Sales of solar thermal power generation equipment; New energy prime mover equipment manufacturing; Non-electrical household appliance manufacturing。( Except for projects that require approval according to law, Carry out business activities independently in accordance with the law with a business license) Licensed Projects: Installation, modification and repair of special equipment; Special equipment inspection and testing; Residential interior decoration; Special equipment manufacturing。( Projects that require approval according to law, Business activities can only be carried out after approval from relevant departments, The specific business projects are subject to the approval documents or licenses of relevant departments.)