Mechanical and electrical equipment manufacturing; Mechanical and electrical equipment sales; Auto parts and accessories manufacturing; Auto parts retail; Intelligent unmanned aerial vehicle manufacturing; Intelligent unmanned aerial vehicle sales; Motorcycle spare parts manufacturing; Motorcycle and spare parts wholesale; Motorcycle and spare parts retail; Household appliance manufacturing; Household appliance spare parts sales; Electronic components and electromechanical component equipment manufacturing; Electronic components and electromechanical groups Sales of equipment; manufacturing of power electronic components; sales of power electronic components; manufacturing of special electronic equipment; sales of special electronic equipment; manufacturing of electric motors; manufacturing of special equipment for electrical machinery; sales of electrical equipment; manufacturing of machinery for construction engineering; sales of machinery for construction engineering; manufacturing of hardware products; wholesale of hardware products; retail of hardware products; manufacturing of metal accessories for construction; sales of metal accessories for construction