... vehicles, includingElectric scooter, Electric motorcycle, Electric bicycle, Electric tricycle, Electric 4 wheel vehicle ... units;About us: HONGDU E-Bicycle company is located in Changzhou city, in Jiangsu province. ... factory about 2 hours 36minutes ,or you can cost 1 hour to take the high speed railway to changzhou ... with our own 3 factories located in Changzhou,Tianjin,Nanchang,China 3. Strong professional ...