Dongguan Xinsineng Electronics Co., Ltd. established in 2009, a leading high-tech enterprise specialized in R&D, design, manufacture, technological improvement, sales and service of Laptop battery. With the professional and the focus. 10 years of persistence only for each best battery, we got a wealth of experience in the production process, we focus on technological innovation, continuous improvement, best quality control processes to make each piece product more perfect. All of our products have passed ISO9001、IEC62133、MSDS、PSE、FCC、CE、ROHS、UN 38.3、 UL2054 certificate.