| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1044.09 | USD | 20251121 |
| Jinan Jinhao Chem | China national standards | MT | 1114.64 | USD | 20251121 |
| Shandong Jinwen Chem | China national standards | MT | 987.65 | USD | 20251121 |
| Shandong Laya Chem | China national standards | MT | 790.12 | USD | 20251121 |
| Sinopec | China national standards | MT | 790.12 | USD | 20251121 |
| Sinopec | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Yaoming Chem | China national standards | MT | 790.12 | USD | 20251121 |
| Shandong Zhiheng | China national standards | MT | 804.23 | USD | 20251121 |
| Shandong Hongyang Chem | China national standards | MT | 895.94 | USD | 20251121 |
| Shandong Aite Chem | China national standards | MT | 945.33 | USD | 20251121 |