SWI Valve Co., Ltd. (SWI) is a leading valve manufacturing company, specializing in the design and manufacture of Ball, Gate, Globe, Check, Cryogenic and Bellows Seal valves for critical applications in the Chemical, Petrochemical, Oil & Gas and Power industries.Founded in 1987, SWI facilities incorporate all aspects of valve, design, development and manufacture ensuring that SWI can offer a degree of flexibility rarely encountered elsewhere. At SWI, we stand for three values - quality, innovation and service. We know the worlds Oil, Chemical, Petrochemical and Process industries require precision flow control products. We have dedicated ourselves to supplying that need with an extensive range of industrial valves, manufactured in our own factories and designed for environmental sensitivity.