As one of the leading ball valve suppliers in Taiwan, Yi Shyang Machinery Co., Ltd is specialized in manufacturing and exporting of ball valves products for 34 years. We are capable in making precision, compatible and durable ball valves and all different types of OEM products, including flange ball valves, fittings and piping accessories etc. We produce products for the US and Europe market strictly following the stringent standards and are certified with ISO 9001:2008. We are committed to providing excellent products and services to our ustomers until they are 100% satisfied with their purchases.