OptimumNano Energy Co., Ltd, founded in 2002, located in Pingshan New District, Shenzhen, is a rapid growing enterprise, who integrates the R&D, Production and marketing of LiFePO4/Lithium Ion Batteries. After 10 years effort and development, now we have been one of the Top Ten Lithium Battery Manufacturers and Suppliers in China. We have been enjoying high reputation in lithium ion battery market at home and abroad. Our factory produces 500,000pcs of 32650 cells every day with more than 5000 e