SEVEN O'CLOCK RESOURCES LIMITED / HANGZHOU SEVEN OCLOCK IMPORT & EXPORT CO.,LTD. Stands as a premier distributor of polyester yarn in China. Our expertise lies in offering an extensive range of 100% polyester filament yarns (Virgin & Recycle) including DTY, FDY, and POY. Renowned for our international outreach, we have established a strong export footprint across more than 50 countries.