Motor manufacturing; Pump and vacuum equipment manufacturing; Motorcycle parts manufacturing; Fans and fans manufacturing; Gas compression machinery manufacturing; Metal cutting and welding equipment manufacturing; Metal cutting machine tool manufacturing; Pneumatic and electric tool manufacturing; Plastic product manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Mechanical parts and parts processing; General parts and components Manufacturing; hardware product manufacturing; metal surface treatment and heat treatment processing; electrophoresis processing; generator and generator set manufacturing; agricultural machinery manufacturing; manufacturing of specialized machinery for agriculture, forestry, animal husbandry, and fishery; manufacturing of special equipment (excluding manufacturing of licensed professional equipment); manufacturing of mechanical and electrical equipment; manufacturing of distribution switch control equipment; manufacturing of special equipment for environmental protection.