Manufacturing of auto parts and accessories; wholesale of auto parts; retail of auto parts; manufacturing of motorcycle parts; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; manufacturing of generators and generator sets; sales of generators and generator sets; manufacturing of metal materials; sales of metal materials; manufacturing of hardware products; wholesale of hardware products; retail of hardware products; metal surface treatment and heat treatment; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); information consulting services (excluding licensed information consulting services). Licensed items: Import and export of state-owned trade management goods.