Unifit Metalloys is a trusted SA350 LF2 header plug manufacturer and exporter, offering precision-made plugs for heat exchangers, boilers, and pressure vessels. Made from low-temperature carbon steel, these plugs provide excellent mechanical strength and durability under extreme conditions. Our header plugs comply with global standards and are suitable for use in oil & gas, petrochemi... https://www.unifitmetalloys.com/header-plug-shoulder-plug-manufacturer-exporter.html