Metal cutting and welding equipment manufacturing; metal cutting and welding equipment sales; other electronic device manufacturing; electronic component wholesale; electronic component manufacturing; electronic component retail; general equipment manufacturing (excluding special equipment manufacturing); generator and generator set sales; generator and generator set manufacturing; electrical machinery equipment sales; electric motor manufacturing; motor manufacturing; electrical equipment sales; gas compression machinery manufacturing; pump and vacuum equipment sales; Manufacturing of pumps and vacuum equipment; manufacturing of metal cutting machine tools; sales of metal cutting machine tools; manufacturing of fans and fans; sales of fans and fans; sales of agricultural machinery; manufacturing of agricultural machinery; sales of professional machinery for agriculture, forestry, animal husbandry, auxiliary and fishery; sales of mechanical parts and components; manufacturing of general parts and components; manufacturing of auto parts and accessories; processing of mechanical parts and components; retail of auto parts and accessories; wholesale of auto parts and accessories; wholesale of motorcycles and spare parts.