| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 2164.5 | USD | 20251211 |
| Luxi Chem | China national standards | MT | 2164.5 | USD | 20251211 |
| Shandong Energy | China national standards | MT | 792.24 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 763.94 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shandong Yeyang Chem | China national standards | MT | 778.09 | USD | 20251211 |
| Shaanxi Petro Yanan | China national standards | MT | 1065.27 | USD | 20251211 |
| Wanhua Chem | China national standards | MT | 1025.66 | USD | 20251211 |
| Shaanxi Petro Yanan | China national standards | MT | 1065.27 | USD | 20251211 |