General Projects: Mechanical equipment research and development; Metal product research and development; New material technology research and development; Agricultural machinery services; Installation of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery、 repair; Construction machinery manufacturing; Special machinery manufacturing for building materials production; Metal processing machinery manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, sideline production and fishery; Staircase manufacturing; Concrete structural component manufacturing; Lightweight building material manufacturing; Glass fiber reinforced plastic product manufacturing; Metal structure manufacturing; Metal tool manufacturing; Metal packaging containers and materials manufacturing; Safety、 Manufacturing of metal products for firefighting; Manufacturing of metal wire ropes and their products; Manufacturing of metal parts for construction;Metal material manufacturing; Glass fiber and product manufacturing; Manufacturing of special equipment for electrical machinery; Metal cutting and welding equipment manufacturing; Mechanical and electrical equipment manufacturing; Hardware product manufacturing;Agricultural machinery manufacturing; Agricultural, forestry, animal husbandry and fishery machinery parts manufacturing; Machinery and equipment rental; Construction machinery and equipment rental; Steel rolling processing; Door and window manufacturing and processing; Mechanical parts、 Parts processing; Land use rights lease; Housing rental; Non-residential real estate rentals; Agricultural machinery rental; Office equipment rental services; Warehousing equipment rental services; Special equipment rental; Smart agricultural management; General equipment repair; Metal cutting and welding equipment sales; Metal door and window construction; Sales of metal packaging containers and materials; Sales of steel bars for construction; Metal tool sales; Metal material sales; Machinery and equipment sales; Sales of metal parts for construction; Sales of glass fiber and products; Mechanical parts、 Parts Sales; Sales of glass fiber reinforced plastic products; Special equipment sales; Construction machinery sales; oil refining、 Sales of special equipment for chemical production; Agricultural machinery sales; Agriculture、 Forest、 Mu、 vice、 Sales of specialized fishing machinery; Awning sales; Metal structure sales; Metal product sales; Sales of agricultural, forestry, animal husbandry and fishery machinery parts; Sales of special equipment for environmental protection; Import and export of goods; Technology import and export; Import and export agent; Container manufacturing; Container sales; Engineering and technical research and experimental development; Smart home consumer device manufacturing; Container repair; Container leasing services; Consulting and planning services; Marketing Planning; Campground services; Scenic area management。( 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: Production of packaging and containers for hazardous chemicals; Special equipment manufacturing; Residential interior decoration。( 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.)