| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 635.45 | USD | 20251117 |
| Shandong Jinwen Chem | China national standards | MT | 508.36 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 536.6 | USD | 20251117 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 550.72 | USD | 20251117 |
| Lihuayi Weiyuan Chem | China national standards | MT | 578.97 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 515.42 | USD | 20251117 |
| Shandong Yihe Chem | China national standards | MT | 515.42 | USD | 20251117 |
| Shandong Qiangsen Chem | China national standards | MT | 508.36 | USD | 20251117 |
| Beijing Yanshan Petro | China national standards | MT | 691.93 | USD | 20251117 |
| Sinopec | China national standards | MT | 677.81 | USD | 20251117 |