| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yushuo Chem | Industrial Grade | MT | 578.48 | USD | 20251121 |
| Zaozhuang Yitai | China national standards | MT | 606.7 | USD | 20251121 |
| Shandong Rongxin | Polyester Resin Grade | MT | 536.16 | USD | 20251121 |
| Nanjing Baitu Chem | China national standards | MT | 620.81 | USD | 20251121 |
| Shandong Shuojia Chem | Polyester Grade | MT | 677.25 | USD | 20251121 |
| Sinopec | China national standards | MT | 677.25 | USD | 20251121 |
| Shandong Yushuo Chem | Polyester Grade | MT | 592.59 | USD | 20251121 |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.48 | USD | 20251121 |
| CNOOC | Polyester Grade | MT | 649.03 | USD | 20251121 |
| Qingdao Shengze Chem | China national standards | MT | 529.1 | USD | 20251121 |