Dongguan HEYO Electronic Technology Co., Ltd. is located in the world''s factory in Dongguan. It is a high-tech company specializing in R&D, production, and sales of battery protection plates (BMS). " Safety is the only way" is always the quality policy of "HEYO". The company has an international standardized quality management system. For every market-oriented product, westrive to achieve"HEYO products, must be high-quality products."