Cheer Ocean International (HK)Co.,Ltd ( hereafter Cheer Ocean Int'l), based on Hongkong and an office located in Shanghai, is mainly engaged in research, manufacture and sales of electric products and related products such as Lithium Polymer Battery, capacitors,sensors, switches, PCB, semi-conductors, transistors and xxxxx main battery products are high- performance and environment-protection batteries like Nickel-hydrogen batteries, Li-ion batteries and Li-po batteries of various specifications which are widely used in electric vehicles、communication、RC hobbies、electrical appliance、 power tools and etc.