Founded in 2008, Sans is specialized in the R&D, manufacture, and sales service of lithium-ion battery chargers of the E-vehicles, especially E-bikes, E-scooters, E-motorcycles. We have 20 experienced R&D engineers, more than 400 skilled workers. We cooperate with well-known electric scooter manufacturers in china: Yadea, Aima, Sunra, Luyuan