Sichuan Ziyuan Ventilation Equipment Co., Ltd. Was established in 2017. It is one of the production enterprises specializing in the production of civil fans (including fans, mufflers, air vents, and ventilation pipes). It has a fan production line, a damper production line and a ventilation pipe production line. after-sales service implements a 24-hour quick response mechanism, providing customers with comprehensive services from commissioning and installation, technical guidance and other aspects The development strategy of " China Construction Civil Fan Giant" has been established, and a business system with construction civil fan and core business as well as related fluid machinery as auxiliary industries has been established. A national brand, striving to enter the top ten ventilation.