Assembly of the MTIS by PSI tire-inflation system takes place in a plant that adjoins the headquarters of San Antonio-based Pressure Systems International (PSI).
All MTIS by PSI tire-inflation systems are American-made by PSI and sold in the U.S. and in 40 other countries around the world.
Pressure Systems International (PSI), which invented its automatic tire-inflation system for trailer tires, is currently celebrating its 20th year in business.
Demonstration of MTIS by PSI using PSI's Technology Trailer.
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