General items: sales of electrical equipment, sales of pneumatic power machinery and components, sales of mechanical and electrical equipment, sales of special equipment for environmental protection, sales of power facilities and equipment, wholesale sales of multi-component power meters, retail sales of multi-components for power generation; power electronic components Sales: 1 appliance; sales of Yanji generator sets; sales of micro motors and components, retail of Xijin products: hardware, sales of household appliances, winter, sales of electrical equipment, sales of distribution switch control equipment, cable management; sales of machine and quilt equipment, Sales of machine tools and other parts, sales of apparel and accessories wholesale clothing wholesale parts and accessories; retail sales of clothing and apparel, sales of quality building materials; construction use; sales of building materials; sales of building decoration materials; fast technology transfer technology services, technology Development technology consulting,