| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 508.84 | USD | 20251206 |
| Sinopec | China national standards | MT | 664.32 | USD | 20251206 |
| Shandong Yuxuan Chem | Polyester Grade | MT | 537.11 | USD | 20251206 |
| Shandong Zhenkun | China national standards | MT | 607.78 | USD | 20251206 |
| Shandong Yuxuan Chem | Industrial Grade | MT | 537.11 | USD | 20251206 |
| Beijing Yanshan Petro | China national standards | MT | 692.59 | USD | 20251206 |
| Shandong Zhiheng | China national standards | MT | 592.94 | USD | 20251205 |
| Beijing Yanshan Petro | China national standards | MT | 522.98 | USD | 20251205 |
| CNPC | China national standards | MT | 637.46 | USD | 20251205 |
| Lihuayi Weiyuan Chem | China national standards | MT | 522.98 | USD | 20251205 |