Dongguan Shujie Electronic Technology Co., Ltd. is a young, developing and energetic company. We are a manufacturer of switching power supply, POE power supply, LED power supply, security power supply, LED light, electronic speed controller and service machine with well-equipped testing equipment and strong technical force, integrating the R&D, production, sale and service. We have lots of power supply design engineers who have more than 12 years' experience. We offer flexible services ...