| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yihe Chem | China national standards | MT | 536.08 | USD | 20251104 |
| Shijiazhuang Kainiu Chem | Polyester Grade | MT | 550.19 | USD | 20251104 |
| CNPC | China national standards | MT | 636.24 | USD | 20251104 |
| Beijing Yanshan Petro | China national standards | MT | 634.83 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 627.78 | USD | 20251104 |
| Sinopec | China national standards | MT | 634.83 | USD | 20251104 |
| Sinopec | China national standards | MT | 613.67 | USD | 20251104 |
| Shandong Langchem | China national standards | MT | 507.86 | USD | 20251104 |
| Shandong Jinwen Chem | China national standards | MT | 507.86 | USD | 20251104 |
| Shanghai Guoke | China national standards | MT | 698.31 | USD | 20251104 |