| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 520.72 | USD | 20251008 |
| Shandong Shuojia Chem | China national standards | MT | 619.24 | USD | 20251008 |
| Sinopec | China national standards | MT | 619.24 | USD | 20251008 |
| Shandong Shuojia Chem | Polyester Grade | MT | 619.24 | USD | 20251008 |
| Shandong Shuojia Chem | Polyester Grade | MT | 619.24 | USD | 20251008 |
| Shandong Jinshenrun Chem | China national standards | MT | 577.02 | USD | 20251007 |
| Shandong Jinshenrun Chem | China national standards | MT | 591.09 | USD | 20251007 |
| Shandong Yihe Chem | China national standards | MT | 534.8 | USD | 20251007 |
| Shandong Yihe Chem | China national standards | MT | 527.76 | USD | 20251007 |
| Jinan Dezheng Chem | China national standards | MT | 541.83 | USD | 20251007 |