Dieter International Trading CO.,LTD supply chain management services; Plastic products sales; Sales of chemical products (excluding licensed chemical products); Sports goods and equipment wholesale; Sale of finished textile products for industrial use; Machinery and equipment sales; Hardware products wholesale; Needle textiles and raw materials sales; Rubber products sales; Metal forming machine tool sales; Metal products sales; Daily sundry sales; Machinery parts, spare parts sales; Hardware retail; Furniture sales; Testing machine sales; Experimental analysis instrument sales; Special equipment sales; Weighing apparatus sales; Auto parts wholesale; Mechanical and electrical equipment sales; Sales of new metal functional materials; Plastic processing special equipment sales; Pneumatic and power tools sales; Sales of electronic products; Instrument sales; Internet sales (except sales of licensed goods); Maintenance of electronic and mechanical equipment (excluding special equipment); Electrical equipment repair; Furniture installation and maintenance services; Special equipment repair; Daily appliance repair; Metal products repair; Non-ferrous metal calendering; Steel calendering processing