| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 508.96 | USD | 20251204 |
| Qingdao Shengze Chem | China national standards | MT | 530.16 | USD | 20251204 |
| Shandong Yuanhe Chem | Polyester Grade | MT | 692.75 | USD | 20251204 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.51 | USD | 20251204 |
| Shandong Yihe Chem | China national standards | MT | 516.03 | USD | 20251204 |
| CNOOC | China national standards | MT | 565.51 | USD | 20251204 |
| Shandong Qiangsen Chem | China national standards | MT | 508.96 | USD | 20251204 |
| Shandong Hongshuo Chem | China national standards | MT | 494.82 | USD | 20251204 |
| Sinopec | China national standards | MT | 565.34 | USD | 20251203 |
| CNOOC | Polyester Grade | MT | 650.14 | USD | 20251203 |