Manufacturing of auto parts and accessories; manufacturing of optical glass; manufacturing of other electronic devices; mold manufacturing; processing of mirrors and similar products; wholesale of auto parts and accessories; sales of optical glass; wholesale of electronic components; sales of molds; sales of machinery and equipment; research and development of auto parts; sales of synthetic materials; sales of plastic products; wholesale of hardware products Development; sales of metal products; sales of non-metallic minerals and products; socio-economic consulting services; professional design services; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; motorcycle parts manufacturing; motorcycles and parts wholesale; motorcycles and parts retail; motorcycle and parts research and development.