US yarn giant Unifi Inc on Wednesday announced it has agreed terms on a deal with Tuntex (Thailand) for the manufacture and sale of polyester filament yarns produced at the Tuntex's factory. Under the terms of the agreements, Unifi will assist Tuntex in enhancing both the quality and variety of polyester filament yarns produced, and will utilise the Thai facility as a base for sourcing Unifi yarns in Asia.