is certified as a tanks fabricator, by some of the major agencies
and governmental bodies, which regulate the manufacturing of
pressurized vessels, under the following safety rules, codes,
Mexican Safety Standards: NOM-021/1-SCFI
American Society of Mechanical Engineers (ASME),
United States Department of Transportation (DOT),
DE C.V., is located at the northeastern corner of Mexico, in the suburb
Santa Catarina, Nuevo Leon. It is about 125 miles (200 km.) from the U.S.
border , and about 370 miles (600 km) from the port of Altamira.
Our manufactured items continually meet or exceed all applicable safety
code requirements. The engineering department and manufacturing facilities
at SEMASA maintain an innovative, state-of-the-art approach to product
application and mass production through ongoing training, research, and
Our materials if construction are specifically
selected for excellence and internationally-acceptable quality. All of
the tanks manufactured by SEMASA are 100% ultrasound and X-ray inspected,
as well as stress-relieved per regulation, after welding.
It is for these reasons that
after eight years of experience, SEMASA is fully recognized as a national
distributor and potential exporter of tanks for LP Gas, anhydrous ammonia,
propylene, and other similar hazardous liquids.