Over 5,000 square meters of standardizedworkshop with 40 skilled workers and spe-cialists.Materials subsidiary capable of fast delivery time.Auto battery pack production line.ATE testing equipment, professionaltesting laborator.Well-established quality and process control system.Strictly compliance with iSO9001, fully certified withCE, UL, UN38.3 and ROHS. 10 years warranty period . 24 hour rapid response,Worry-free aftersales service system