Our firm since its inception, normally regards item top quality as company life, constantly make improvements to generation technology, improve product excellent and repeatedly strengthen organization total good quality management, in strict accordance with the national standard ISO 9001:2000 for Diy Battery Management System, Bms 6s 40a, Bms 24v 7s, Bms 24v 6s,Li Ion 4s Bms. We have a professional team for international trade. We can solve the problem you meet. We can provide the products you want. Please feel free to contact us. The product will supply to all over the world, such as Europe, America, Australia,Sheffield, UAE,Jordan, Vietnam.Nowadays our merchandise sell all over the domestic and abroad thanks for the regular and new customers support. We supply high quality product and competitive price, welcome the regular and new customers cooperate with us!