We have further enriched our high-spec product portfolio through the successful R&D and production of the DN1400-PN110 LF2 fully welded ball valve, accumulating valuable experience in the manufacturing of large-caliber, high-pressure and low-temperature industrial valves. Built with reliable LF2 low-temperature carbon steel and an integral fully welded structure, this valve offers stable low-temperature toughness, dependable pressure resistance and excellent tightness for harsh operating conditions. Manufactured in compliance with API 6D and ASME standards with precise machining and systematic testing, it is suitable for critical applications including natural gas transmission, petrochemical and energy industries. This progress strengthens our technical foundation and enables us to deliver more trusted customized valve solutions for demanding fluid control projects.