Tianchang Lvhang science and technology electronic. Lvhang was founded in Tianchan as a leading manufacturer specialized in charger and controller for e-bike. We have 15 years`s research and development production experience. We prduce 5,Website:http://www.chinabatterycharger.com,000,000 pcs for e-bike charger. If you are planning to consult the information about charger and controller for e-bike. Welcome to contact Lvhang electronic.