| Vendor | Spec | Unit | Price | Currency | Date |
| CNPC | China national standards | MT | 805.67 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 2190.84 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 2162.57 | USD | 20251205 |
| Shandong Energy | China national standards | MT | 791.53 | USD | 20251205 |
| Wanhua Chem | China national standards | MT | 763.26 | USD | 20251205 |
| Shandong Yeyang Chem | China national standards | MT | 777.4 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 2162.57 | USD | 20251205 |
| Shandong Junfeng | China national standards | MT | 2162.57 | USD | 20251205 |
| CNPC | China national standards | MT | 2162.57 | USD | 20251205 |
| Jinan Aochen Chem | China national standards | MT | 1060.09 | USD | 20251205 |