Our products are grey cast iron, ductile cast iron, steel casting,gearbox for valves, Butterfly Valve Butterfly valve,valves and accessories etc. The Butterfly Valve Butterfly valve mainly apply to petroleum, petrochemical, natural gas, metallurgy, power plant, papermaking, food, sewage treatment and other fields.We have two our own casting foundries and one CNC machining factory.So we can offer the best price and best products directly.https://www.valvegearbox.net/product/part-handle/wafer-type-sanitary-butterfly-valve-handles.html