Technology promotion and application services; Smart vehicle equipment sales; Smart instrument and meter sales; Industrial design services; Industrial robot sales; Internet data services; Electronic product sales; Mechanical and electrical equipment sales; Artificial intelligence application software development; Smart robot sales; Machining and parts processing of mechanical parts; Sales of mechanical parts and components; Smart home consumer equipment sales; Mold manufacturing; Mold sales; New material technology research and development; Metal forming machine tool sales; Professional design services; Class II medical device sales; Technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion; Hardware product manufacturing; Hardware product wholesale; Hardware product retail; Auto parts wholesale; Auto parts and accessories manufacturing; Auto decoration product sales; Plastic product manufacturing; Plastic product sales; Road freight transport of general cargo vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods); Smart home consumer equipment manufacturing; Information system integration services; Security equipment sales; Electronic special material sales; Communication equipment sales; Communication equipment manufacturing; Mechanical equipment sales; Industrial automatic control system device sales; Industrial robot installation and maintenance; Metal cutting and welding equipment sales; Metal cutting machine tool sales; Integrated circuit sales; Integrated circuit chip design and services; Integrated circuit design; CNC machine tool sales; Machine tool functional parts and accessory sales; Casting machinery sales; Artificial intelligence hardware sales; Technology promotion services