Fire Fighting, Fire Sprinkler, UL Sprinkler manufacturer / supplier in China, offering 79 Degrees Bronze/Stainless Steel Sprinkler Head K-Factor 5.6 Ceiling Concealed White Coated, 57 Degrees Bronze Pendent Sprinkler Head White Coated Ceiling Cover K-Factor 5.6, Fire Fighting Sprinklers Sidewall Sprinkler Nozzle and so on.
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