Fire valve manufacturer Huihong Fan introduces the performance and structure of 70 ° C fire valve
Fire extinguishing fan fire valve installation requirements are specified
What kind of fire damper is used in basement fan?
RRGX (Z81X) Elastic Seat Sealed Gate Valve
Shanghai Huihong Fan Co., Ltd.
Free consultation hotline: 187-1774-5460
Factory address: Building D, No. 6955, Beisong Highway, Songjiang District
Website record number: 沪 ICP 备 18038418 号 -1