Shanghai Anneng Fan Co.,ltd. located in Shanghai , the Economy Center of China, is devoted to developing high-efficiency, energy-saving and environment-friendly technology and products. 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 products are energy-saving, intelligent and explosion-proof DC, and EC fans, fan control system, and fan related products such as FFU, Telecommuncation base station free cooling unit and solar ventialtion system. Parts of our products have passed UL, CUL, CE, CCC and ROSH certificates.We have introduced ISO management system to our daily life, and enrich the system with marketing prediction, individualized requirement, R&D, purchase, production, testing, logistics and service. As we have first-class R&D equipment, advanced manufacturing equipment and experienced experts, we are in a position to provide ventilators to satisfy you very well.