No matter new customer or old customer, We believe in long term and trusted relationship for 52v 14s Bms, Bms 3s 12v 10a, 6s 40a Bms, Bms 4s 14.4 V,Working Of Battery Management System. Hope we can create a more glorious future with you through our efforts in the future. The product will supply to all over the world, such as Europe, America, Australia,Slovakia, Sweden,Hanover, Paris.With the goal of "zero defect". To care for the environment, and social returns, care employee social responsibility as own duty. We welcome friends from all over the world to visit and guide us so that we can achieve the win-win goal together.