POLYSTAR is the Asian leading industrial thread manufacturer, supply chain organizer and a major player in the international polyester yarn market. Headquartered in Tianjin China, we employ over 3,000 employees across five provinces in China. We operate six factories, sewing thread factories, dying factories and spinning mills with production lines of 170,000 spindles in total. Our products are certified by OEKO TEX. Here is our product range for your checking: 1. 100% spun polyester yarn for sewing thread 2. 100% finished spun polyester sewing thread 3. 100% spun polyester hank yarn 4. Poly poly core yarn 5. Poly cotton core yarn