High-level automatization manufacture equipment used, ensuring cell parameters consistency. Self-developed ventilation valve with high airtightness & safety performance; Low Cell inner resistance, high discharge C rate performance. Customization service offered. Long cycle life, 80% nominal capacity left after 3500 cycles @1C/1C charge & discharge. Full sets of certificates available, ISO 14000, TS16949, ROHS, TUV, UL, UN. Product liability insurance covered.