Dongguan Qinmao Electronic Co., Ltd. (QM) is a leading manufacturer specializing in the batteries and chargers. We have a professional R&D team dedicated to researching and developing new products, including Batteries, Circuit Boards, PCM Boards and Plastic Casings. All of these items are mold by our R&D experts independently. Furthermore, we have a professional marketing team providing sincere after-sales services, together with a first-class production base and excellent testing equipment. So far, our products have won a steady market in Korea, America, Europe, Japan, Canada and...