Manufacturing of plastic products; mold manufacturing; sales of plastic products; sales of molds; manufacturing of auto parts and accessories; wholesale of auto parts; retail of auto parts; manufacturing of motorcycle parts; wholesale of motorcycles and parts; retail of motorcycles and parts; processing of mechanical parts and parts; sales of mechanical parts and components; manufacturing of machine tool functional parts and accessories; sales of machine tool functional parts and accessories; import and export of goods; import and export of technology.