Guangzhou Wusun Electromechanical & Technological Co., Ltd. is a professional manufacturer which is integrating research & production. We are specialized in the production of exhaust fans and air humidifying equipment. We introduced and absorbed exhaust fans production technology from ITALY. Our excellent quality is always in ahead of all others. We, WUSUN, are devoted to providing products to customers with best quality, competitive price, excellent service, and effective ...