| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Energy | China national standards | MT | 790.22 | USD | 20251111 |
| Shandong Yeyang Chem | China national standards | MT | 776.11 | USD | 20251111 |
| CNPC | China national standards | MT | 804.33 | USD | 20251111 |
| Shandong Yeyang Chem | China national standards | MT | 776.11 | USD | 20251111 |
| Changzhou Jiaye Chem | China national standards | MT | 1199.45 | USD | 20251111 |
| Luxi Chem | China national standards | MT | 762.0 | USD | 20251111 |
| Liao Jinxinda | China national standards | MT | 719.67 | USD | 20251111 |
| CNPC | China national standards | MT | 733.78 | USD | 20251111 |
| Luxi Chem | China national standards | MT | 733.78 | USD | 20251111 |
| Lihuayi Shandong | China national standards | MT | 733.78 | USD | 20251111 |