Reliable. According to the National Business Daily. Zhuhai Guanyu Battery Co., Ltd. is a national high-tech enterprise specializing in the production and sales of R&D and polymer lithium-ion batteries. Founded in 2007 with a registered capital of 840 million yuan. It has developed into a reliable company with the largest domestic capital and the top five in the world. Zhuhai Guanyu Battery Co., Ltd. has professional and technical talents, involving electrochemistry, material science, physical chemistry, machinery and its automation, computer and electronic information, etc., and won national and provincial honors, and was selected as a strategic emerging industry cultivation enterprise in Guangdong Province in 20 17.