Technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; industrial robot sales; industrial robot installation and maintenance; refrigeration and air conditioning equipment sales; general mechanical equipment installation services; communication equipment sales; quenching processing; metal forming machine tool manufacturing; metal forming machine tool sales; mechanical and electrical equipment manufacturing; special equipment manufacturing (excluding licensed professional equipment manufacturing); mechanical equipment sales Sales; refrigeration and air conditioning equipment manufacturing; mechanical and electrical equipment sales; electrical equipment repair; electrical equipment sales; power facility equipment manufacturing; power facility equipment sales; oven, furnace and electric furnace manufacturing; oven, furnace and electric furnace sales; emerging energy technology research and development; mechanical equipment research and development; general equipment manufacturing (excluding special equipment manufacturing); moped manufacturing; mechanical parts and parts processing; motorcycle spare parts manufacturing; Manufacturing of automobile parts and accessories; manufacturing of industrial automatic control system devices; manufacturing of electric motors; sales of mechanical parts and components; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; automobile sales; wholesale of automobile spare parts; retail of automobile spare parts; sales of electric bicycles; sales of assistive bicycles, scooters and spare parts; wholesale of bicycles and spare parts; retail of bicycles and spare parts; industrial automatic control systems Device sales; communication equipment repair; software development; Internet of Things technology services; Internet of Things technology research and development; computer software, hardware and auxiliary equipment wholesale; computer software, hardware and auxiliary equipment retail; information technology consulting services; intelligent control system integration; information system integration services; office supplies sales; office equipment sales; clothing and apparel wholesale; clothing and apparel retail; shoes and hats wholesale; shoes and hats retail; luggage and bag sales; tire sales