Walkie Talkie, Wireless Pager, Anti-Theft Alarm manufacturer / supplier in China, offering Stainless Steel Pendent Fire Sprinkler 79 Degree K115 DN20 Fire Fighting, K115 Pendent Fire Sprinkler Head 79℃ Stainless Steel Fire Fighting, 79℃ Closed Automatic Fire Sprinkler with R3/4 Connection and so on.