Oulite, founded in 1998, covers an area of 42000 square meters and has an annual battery production capacity of 500000 KVAh. It has been committed to the R & D, production, application and sales of closed valve regulated lead-acid batteries for many years. It has established postdoctoral workstations with many relevant colleges and research institutions such as South China Normal University and Xi'an Jiaotong University to jointly develop special energy storage batteries for solar energy, wind energy and traction power, DC panel special battery and other seven series, more than 300 specifications and models of products. It has become the largest professional production base of solar energy storage batteries in Northern Jiangsu. The enterprise has successively passed ISO9001, ISO14001, high-tech product certification, national golden sun products and many other relevant professional authoritative certification, provided relevant products and technical support for many national and provincial solar energy, power, communication and other large-scale projects, and participated in the drafting of national standards for storage batteries.