TRIS supplies long-length coil products required by petrochemical plants to global EPC companies. Since 2012, we have been a trusted supplier to PIT (Pre-Insulated Tube) companies. Our long-length coil products eliminate the risk of leaks at welded joints and significantly reduce construction time, greatly contributing to project efficiency.

TRIS products are widely used in LNG applications, offshore industry gas and chemical lines, as well as in hydraulic control and detection lines. We supply long-length seamless coils produced using orbital welding, available in lengths up to 4,000 meters.

Currently, we offer a variety of steel grades, including 304L, 316L, Duplex, 904L, UNS N10276 (C-276), UNS N08825 (Incoloy 825), and UNS N06625 (Inconel 625), with quick delivery options to meet diverse customer needs.

TRIS tubes for LNG heat exchangers are available in multiple steel grades with consistently stable BA quality and can be supplied in any length required. As a global supplier to Swagelok, TRIS guarantees impeccable quality and reliability.