Fire Sprinkler, Foam Bladder Tank, Fire Hydrant manufacturer / supplier in China, offering Bubble Cup Fire Foam Water Nozzle with Shut off, Ca Fire 2.5 Inches Oblique Type Flange Landing Valve Indoor 45 Degree Flange Fire Hydrant, Grooved Type DN100/150/200 1.6MPa Di Wet Alarm Valve and Deluge Valve Pre-Action Valve and so on.