Topstar-intl Industrial International Co., Ltd. is a group enterprise that provides customized and developed digital consumer lithium batteries, special batteries, backup power supplies, etc. for global users. It has its own dedicated production bases in Huizhou, Dongguan and Shenzhen, Guangdong, providing customers with a full range of supporting services from design, R&D, manufacturing, and after-sales. The company currently has more than 30 scientific researchers, including professional e...