Shenzhen Haizhiyuan Technology Co., LtdWe have several engineers with more than ten years of professionalexperience in lithium battery and design and protection board devel-opment. They have their own technical ideas in the development anddesign of power batteries, high-voltage batteries, wide temperaturerange batteries, and 18650 battery pack assembly design. We helpmany customers at home and abroad to solve the needs of batteriesfor multiple purposes.