C.M.S.T. Co. Ltd. has been serving Thailand since 1992. We specialize in Electrical Design and Installation, Reverse Osmosis Design, Installation and Repair/Service. Hot Water Systems, and Ozone Air and Water purification systems. In addition, our friendly and professional staff is available to answer any questions you may have about our company or our services. Whether you need Reverse Osmosis, Electrical Design and Installation, Water Systems or an Ozone Systems, we have what you need at prices you can afford. At C.M.S.T., our goal is to provide you with courteous, expedient, professional service of the highest caliber.