Dongguan Feirui Electronics Co., Ltd. is located in Donguan City, which is known as "the World's Factory" in China. We are engaged in developing and producing engine parts including starting controllers, speed control units, automatic voltage regulators (AVR), synchronizers, load share modules, and other correlative generator accessories, such as chargers, sensors, actuators and other related products. We have emulational system which is the most advanced in the same industry. The system can imitate the whole process of real generator. Therefore, we can control our quality with the precise testing equipment. On the other hand, we own some generator experts with rich experience in electromechanical automatic control system. Being good at soft ware & hard ware, these experts are trained..