... car About us:Qinhuangdao Xinchi Photoelectricity Technology Co.,Ltd. specializing in research , manufacture and distribution of high quality Li-ion battery ... ,20 million Ah per year. As a top-leading manufacturer in the battery industry, We have our own R&D team , and ... battery, and Li(NiCoMn)O2 battery, which are widely used in Electric Vehicle, Electric Bicycles, Power tools, Industrial miner's lamp ...