API is a leading manufacturer of industrial gases in Thailand. Our major products are atmospheric gases (oxygen, nitrogen, argon) which are produced by Air Separation Plants & Pressure Swing Adsorption (PSA) Plants. These products are used in various fields of industry such as steel, electronics, textile, glass, frozen food, paper, hospital, etc.

API currently operates 11 units of Air Separation Plants and 3 units of Pressure Swing Adsorption Plants in several locations to supply bulk liquids and gases to customers all over Thailand. Furthermore, API also provides hydrogen, carbon dioxide, helium, and specialty gases to serve the requirements of customers.



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