Fire Extinguisher, Fire Extinguisher Valve, Fire Extinguisher Cylinder manufacturer / supplier in China, offering 1/2 Inch 68 Degree Qr Chrome Finished K5.6 Fire Sprinkler, DN15 1/2 Inch Pendent Fire Sprinkler Head with Escutcheon Plate, 1/2 Inch 68 Degree Sr Chrome Finished K5.6 Fire Sprinkler and so on.