Manufacturing of drying equipment; Manufacturing of packaging special equipment; Manufacturing of spray guns and similar appliances; Manufacturing of refrigeration and air conditioning equipment; Manufacturing of bearings; Manufacturing of hydraulic and pneumatic power machinery and components; Manufacturing of pumps and vacuum equipment; Manufacturing of special production vehicles; Manufacturing of other metal processing machinery; Manufacturing of machine tool accessories; Manufacturing of metal cutting and welding equipment; Manufacturing of fans and blowers; Manufacturing of centrifuges and separators; Manufacturing of pneumatic and electric tools; Manufacturing of metal seals; Processing of mechanical parts; Manufacturing of environmental protection special equipment; Manufacturing of special equipment for automobile production; Manufacturing of automotive parts and accessories (excluding automobile engine manufacturing); Manufacturing of motor vehicle detection systems and equipment; Manufacturing of electronic components and assemblies; Repair of general equipment; Repair of robots; Installation services for electromechanical equipment; Wholesale of hardware products; Wholesale of metal products; Wholesale of electronic components; Wholesale of electronic products; Import and export of goods (excluding goods under special control); Retail of hardware