Executive Summary: Sourcing Solenoid Valve and Pump Linkage Unit for Shelters from China for Vietnam Shelter ProjectsQuick answer: The Solenoid Valve and Pump Set is the actuation and supply end of the system: the valve on the shelter riser and the pump that puts water on the fire without anyone being on site to decide. Wanlin Fire is an e-bike shelter fire suppression manufacturer and export supplier in China, covering solenoid valve and pump linkage unit plus the flame dete···