Business scope General items: Technical services, technological development, technical advisory work, Technical flow, Art-let, technology transfer; High-speed precision heavy-duty bearing sales; High-speed precision gear transmission device sales; Bearing, Gear and transmission components sales; Sales of category I medical devices; Metal-forming machine tool sales; Instrumentation sales; Plot, Sales of calculation and measuring instruments; Force equipment sales; Mold sales; Machine part, Component sales; Furniture and spare parts sales; Machine tool functional parts and accessories sales; Hardware products retail; Machinery and equipment sales; Agriculture, forestry, animal husbandry and fishing machinery parts sales; Daily necessities sales; Metal structure sales; Sales of metal chains and other metal products; Sales of wind power and power tools; Rubber products sales; Plastic products sales; Computer hardware and software and auxiliary equipment retail; Sales of electronic products; Sales of chemical products (excluding licensed chemical products); Metal cutting machine tool sales; Professional design services; Metal cutting processing services; Category II medical device sales. (Except for the projects subject to approval according to law, it shall independently carry out business activities with the business license according to law) (shall not engage in business activities prohibited or restricted by the industrial policies of the state and this Municipality. )