General projects: Mechanical equipment sales; Sales of generators and generator sets; Car washing equipment sales; Painting equipment sales; Security equipment sales; Sales of drawing, calculating and measuring instruments; Metal cutting and welding equipment sales; Sales of labor protection products; Hardware products retail; Sales of pneumatic power machinery and components; Electronic special equipment sales; Sales of metal products; Pump and vacuum equipment sales; Metal material sales; Wire and cable management; Hydraulic power machinery and components sales; Mechanical and electrical equipment sales; Retail of household appliances; Sales of electronic components and electromechanical components; Power dynamometer motor sales; Sales of power electronic components; Hardware products wholesale; General equipment repair; Distribution switch control equipment sales; Electrical equipment sales; Gas compression machinery sales; Electrical equipment repair; Construction machinery and equipment leasing; CNC machine tool sales; Sales of mechanical parts and spare parts; Pneumatic and power tools sales. (Except for projects subject to approval according to law, independently carry out business activities according to law with business licenses)