Are you looking for special alloy valve manufacturer & supplier in China? AFC can offer you the following valves: ball valve, knife gate valve, plug valve, pinch valve, butterfly valve, gate valve, check valve, globe valve, control valve etc. 904L is a high-alloy austenitic stainless steel with low carbon content. It has good resistance to severe corrosion, particularly in sulfuric and phosphoric conditions. AFC 904L valves serve many different applications in industries: Chemical, Metallurgy, Desalination, Pulp & Paper.