Shanghai Anneng Fan Co., ltd. located in Shanghai , the Economy Center of China, is devoted to developing high-efficient, energy-saving and environment-friendly technology and products. We supply various ventilators according to clients� requirements. Now our products have been acceptable to many customers around the world. Our production area occupies 25000m3 in total. There are 315 employees including 66 engineers. We have professional R&D center cooperated with famous university. Our main lines are professional and energy-saving fans including external rotor motor, external rotor motor AC fans, DC fans and EC fans. Parts of our products have passed UL, CUL, CE, CCC and ROSH certificates. We have introduced ISO management system in to our daily life, and enriches the system with marketing prediction, individuation requirement, R&D, purchase, production, testing, logistic and service. As we have the first-class R&D equipment , advanced manufacturing equipment and rich-experience experts, we are in a position to provide ventilators to satisfy you very well.