| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 2160.25 | USD | 20251115 |
| Shaanxi Petro Yanan | China national standards | MT | 1063.18 | USD | 20251115 |
| Shandong Energy | China national standards | MT | 1016.59 | USD | 20251115 |
| Luxi Chem | China national standards | MT | 1058.95 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 804.8 | USD | 20251115 |
| Shandong Laya Chem | China national standards | MT | 790.68 | USD | 20251115 |
| Shandong Yeyang Chem | China national standards | MT | 776.56 | USD | 20251115 |
| Luxi Chem | China national standards | MT | 727.14 | USD | 20251115 |
| Wanhua Chem | China national standards | MT | 762.44 | USD | 20251115 |
| Shandong Jinshenrun Chem | China national standards | MT | 790.68 | USD | 20251115 |