East Source Valves & Fitting Co., Ltd. is a manufacturer from Taiwan, producing Strainers, DSC Steam Traps and Filtration Equipment. We have more than 27 years of production experience and provide quality products and reasonable price. We have ISO9001:2008 Certification; our casting factory has DNV Certification for Shipping. We can also offer OEM service. Our company has provided OEM service for TYCO. We are not only a supplier, but also a business partner which you can trust.