SHOWA VALVE CO., LTD produces more than 100 kinds of valve base and based products. These wide range valves are used in industries such as oil refining, oil chemistry, power plants, building, water works, sewerage, air plain, ship building, & machinery. These products include Gate, Check, Ball, Butterfly valve and Y Strainer, made of made of cast & ductile iron, bronze, brass, carbon steel, stainless and so on.