Mechanical parts and parts processing; Mechanical parts and parts sales; Metal processing machinery manufacturing; Household appliance sales; Household appliance manufacturing; Auto parts and accessories manufacturing; Auto parts and accessories retail; Motorcycle parts and accessories manufacturing; Motorcycle and spare parts retail; Sales of special equipment for plastic processing; Manufacturing of special equipment for plastic processing; Mechanical equipment research and development; Technical services, technology development, technical consulting, technical exchanges, technology transfer, and technology promotion. Licensed items: import and export of goods; import and export of technology.