Production and sales: electric bicycles, electric bicycles and accessories (not sold in Dongguan area), batteries, motorcycles (not sold in Dongguan area), electric tricycles (not sold in Dongguan area), security equipment, security equipment, traffic safety Equipment, fire-fighting equipment, electronic products, auto parts; wholesale and retail industry; export of goods and technology; production and sales: police equipment and auxiliary equipment, electric patrol cars, police electric vehicles, police motorcycles (not sold in Dongguan area). 〓