| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hanyue Chem | China national standards | MT | 705.66 | USD | 20251118 |
| Zibo Qixiang Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Wonfull Petro | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 705.66 | USD | 20251118 |
| Shandong Xima | China national standards | MT | 705.66 | USD | 20251118 |
| Jinan Aochen Chem | China national standards | MT | 846.79 | USD | 20251118 |
| Shandong Hanyue Chem | China national standards | MT | 705.66 | USD | 20251118 |
| Shandong Wonfull Petro | China national standards | MT | 776.22 | USD | 20251118 |
| Shandong Qiangsen Chem | China national standards | MT | 804.45 | USD | 20251118 |