Research and development, manufacturing of construction machinery, lifting equipment, and general components; Production of intelligent material handling equipment; Research and development, sales of intelligent equipment, instruments and automation equipment; Metal materials, metal products, general machinery, construction machinery, mining machinery, agricultural machinery, garden specialized equipment, electrical equipment, chemical products and raw materials (excluding hazardous chemicals), hardware products, lighting fixtures, electronic products, computer and auxiliary equipment, needle textiles and raw materials (excluding cocoons), clothing and accessories, shoes and hats, daily necessities (excluding fireworks and firecrackers), kitchen and bathroom utensils, rubber and plastic products Sales of handicrafts (excluding national restrictions), paper products, stationery, sports goods and equipment (excluding shooting and archery); Self operated and agent import and export business of various goods and technologies (excluding goods and technologies restricted or prohibited by the state). (Projects that require approval according to law can only be operated with the approval of relevant departments)