1. Metal Materials valves: such as carbon steel valves, alloy steel valves, stainless steel valves, cast iron valves, titanium alloy valves, Monel valves, copper alloy valves, aluminum alloy valves, lead alloy valves and so on.
2. Metal Valve body lining valve: such as lining valve, fluorine-lined valve, lining lead valve, lining plastic valve, lining enamel valve.
3. Non-metallic materials valves: such as ceramic valves, glass valves, plastic valves.
