Business scope includes general items: Hardware products wholesale; Pump and vacuum equipment sales; Sales of metal parts for construction; Machinery parts, spare parts processing; Ink sales (excluding hazardous chemicals); Computer hardware and software and ancillary equipment retail; Computer hardware and software and auxiliary equipment wholesale; Wholesale of electronic components; Retail of electronic components; Office supplies sales; Sales of labor protection articles; Sales of daily necessities; Light building materials sales; Sales of building materials; Building waterproof coil product sales; Pneumatic and power tools sales; Sales of furniture parts; Sales of metal products; Rubber products sales; Fiberglass reinforced plastic products sales; Coating sales (excluding hazardous chemicals); Plastic processing special equipment sales; Electronic special equipment sales; Sales of photocopying and offset printing equipment; Home appliance installation service; General mechanical equipment installation services; Machinery and equipment leasing; Pet food and supplies retail; Pet food and supplies wholesale