... LtdZhejiang summit hunting scooter co. LtdHe ‘nan Luoyang summit tricycle co ., Ltd Chengdu summit electric motor co., Ltd ... besides 500 professional technicians, products covers gasoline engine, two-wheel motorcycle, tricycle, scooter, electric bikes, generator, water pump, welder, ... has reacherd 1800.000 units engines, 1500.000 units motorcycles. Our products are enjoying popularity in China and ...