The battery has surpassed over other battery manufacturer in service life and perfoamance because of the technical innovation. We have developed maintenance-free series and maintenance-free seal-style, valve-controlled seal-style series lead-acid batteries. A complete battery manufacture system is formed including Lead Industry, Plastic-filling Co., Plate Induastry and Assembly Co.What's more, we work with many world famous brands like Dura Ex Toway, Exide, Everday ect.We are a lead-acid manufacturer that you can trust and depend on!