| Vendor | Spec | Unit | Price | Currency | Date |
| Zaozhuang Yitai | China national standards | MT | 607.65 | USD | 20251208 |
| Jinan Angxin Chem | China national standards | MT | 593.52 | USD | 20251208 |
| Shandong Jinwen Chem | China national standards | MT | 508.73 | USD | 20251208 |
| CNPC | China national standards | MT | 637.33 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 635.92 | USD | 20251208 |
| Shandong Langchem | China national standards | MT | 508.73 | USD | 20251208 |
| Sinopec | China national standards | MT | 614.72 | USD | 20251208 |
| Guangzhou Tianyue Chem | Polyester Grade | MT | 664.18 | USD | 20251208 |
| Shanghai Guoke | China national standards | MT | 671.25 | USD | 20251208 |
| Shandong Jinshenrun Chem | China national standards | MT | 565.26 | USD | 20251208 |