We are goldencell electronics technology co Ltd from China . We are specialized in lithium ion battery cathode material, rechargeable lithium ion cell .customized battery pack , BMS and super capacitor. The mai customers include famous enterprise both at home and abroad such as China Shipbuilding Industry. American General Electric (GE),PK,BMZ,etc . Our product have passed UL ,UN38.3,TOHS,CE,CB,BIS,KC,MSDS and National Mandatory Testing.