? ? Our power tool batteries, vacuum cleaner batteries, and chargers are developed and manufactured by our own factories. Our product quality control is the most stringent factory in the industry, with good quality and low price. After five years of hard work, our product models have covered large brands and hot models on the market, such as AEG, BLACK & DECKER, BOSCH, DEWALT, MAKITA, HITACHI, WILWAUKEE, CRAFTSMAN and so on. At present, the products are sold well both at home and abroad, and are well received by customers.