Guangxi Yulin Outianyuan Energy Technology Co., Ltd. is a lithium battery manufacturer under Contemporary Ampere Technology Co., Ltd. Guangxi Yulin Outianyuan Energy Technology Co., Ltd. is a national high-tech enterprise specializing in the research, development, production and sales of new energy storage devices (such as lithium batteries and sodium batteries). The produced "Ouyuan" brand 5G energy storage battery has reached the leading level in raw material selection, product technology, manufacturing process, product performance, service life, environmental protection attributes and scientific and technological attributes, and has been unanimously recognized by customers at home and abroad.