Tianchang Lvhang science and technology electronics. 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 5,000,000 pcs for e-bike charger. If you are planning to consult the information about charger and controller for e-bike. Welcome to contact Lvhang electronics.