Manufacturing, processing and sales of electric vehicles (excluding cars and motorcycles) and accessories, hardware tools, garden tools, electric tools and accessories, outdoor leisure products (excluding wood and bamboo products), fitness equipment, auto parts, motorcycle accessories (excluding engines), electronic components, daily plastic products, household appliances, stainless steel products, daily hardware products (excluding measuring instruments); sales of doors, electronic products (excluding radio transmitting equipment and ground satellite receiving facilities); import and export of goods and technology