| Vendor | Spec | Unit | Price | Currency | Date |
| Zibo Lishuo Chem | China national standards | MT | 819.74 | USD | 20251203 |
| Shandong Zhongke Taihua | China national standards | MT | 946.94 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 699.61 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 699.61 | USD | 20251203 |
| Shandong Wonfull Petro | China national standards | MT | 713.74 | USD | 20251203 |
| Shandong Jinshenrun Chem | China national standards | MT | 713.74 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 714.45 | USD | 20251203 |
| Shandong Wonfull Petro | China national standards | MT | 714.45 | USD | 20251203 |
| Shanghai Ronghe Chem | China national standards | MT | 763.21 | USD | 20251203 |
| Zibo Lishuo Chem | China national standards | MT | 819.74 | USD | 20251203 |