HEY is a leading manufacturer of lithium batteries with best-in-class research and development support, focused on providing the right solutions for the world. As an OEM company, we adhere to customer custom battery requirements and lead the industry as a manufacturer and supplier of quality batteries. With more than 50 R&D engineers and 2 production sites, HEY offers unrivalled development and rapid prototyping services that enable customers to quickly bring new products to market.The company focuses on scientific management, technological innovation, people-oriented, single-focus modern enterprise concept, comply with market demand, strict control of product quality, and the performance of technical indicators, product quality and cost control are in the forefront of the industry.