| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 956.02 | USD | 20250919 |
| Wanhua Chem | China national standards | MT | 1068.5 | USD | 20250919 |
| Wanhua Chem | China national standards | MT | 1068.5 | USD | 20250919 |
| Sinopec | China national standards | MT | 801.37 | USD | 20250919 |
| Sinopec | China national standards | MT | 815.43 | USD | 20250919 |
| Sinopec | China national standards | MT | 885.73 | USD | 20250919 |
| Sinopec | China national standards | MT | 787.31 | USD | 20250919 |
| Shandong Zhiheng | China national standards | MT | 801.37 | USD | 20250919 |
| Jinan Dezheng Chem | China national standards | MT | 956.02 | USD | 20250919 |
| Shandong Aite Chem | China national standards | MT | 941.96 | USD | 20250919 |