Coming Soon
R.O. terminology and water terms.
Water usage through out the world.
Water, water everywhere, but not a drop to drink!
Energy saving SWRO systems. How do we do it?
Low cost "Do it yourself" SWRO for you home or bungalow
Welcome to C.M.S.T. Co. Ltd.

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 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.

Browse our web site for more information about C.M.S.T. Co. Ltd.. If you have any questions or would like to speak with a representative regarding our Products / Services, please e-mail us at helpme@cmstasia.com or call us at +66 077 415 091.

Design, Installation and Maintenance as well as "state of the art" Reverse Osmosis Systems. Our Installation and Maintenance team is second to none in S.E. Asia. C.M.S.T. follows "Best Engineering" practices in all designs and installations when ever possible. C.M.S.T. warranties all its products and workmanship for 1 year from date of hand over to the customer. When necessary C.M.S.T. can activate our product liability insurance for any given project. All of our employees are covered by Social Medical Insurance.


Having problems with your Reverse Osmosis System? We can help, repair and provide parts to make your system efficient and reliable.

Contact Information: C.M.S.T. Co. Ltd. is a local Samui company located in the jungles of Lipa-Noi.

Office Phone: +66 077 415 091 Cell Phone: +66 081 638 5512 FAX: Request first

Postal address: 60 Moo 3 Lipa-Noi P.O. Box 152 Koh Samui, Thailand 84140

Reverse Osmosis Information: ro@cmstasia.com General Information: askme@cmstasia.com Customer Support: helpme@cmstasia.com

Great Information about Koh Samui and its history, please send your request to : samuisamui@gmail.com

Click on the PDF below for answers to all your questions on R.O. And SWRO

How does it work?

WARNING for all reverse osmosis systems

NO iron or chlorine are allowed to contact the membranes or the warranty is VOID and

PERMANENT DAMAGE will result to the membranes.

Use only grade 316L stainless steel or better or plastic piping and fittings for all


Send mail to webguy@cmstasia.com with questions or comments about this web site.
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