Kindly let us introduce us briefly –Shangyu Delai Hardware Machinery Factory, we are a middle manufacturer & supplier of fire fighting products in china, Ball Valves,, sprinklers, landing valve, nozzles,and all accessories of fire extinguisher, hose reel, also the cabinet for extinguisher, etc. besides extinguisher accessories, we also can produce all kinds brass products in small size according to customer's requirement.Pls visit our website:http://www.delai-china.com/e