| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 714.45 | USD | 20251203 |
| Shandong Jinwen Chem | China national standards | MT | 855.08 | USD | 20251203 |
| Jinan Jinrihe Chem | China national standards | MT | 699.61 | USD | 20251203 |
| Shandong Xima | China national standards | MT | 706.67 | 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 Qiangsen Chem | China national standards | MT | 805.61 | USD | 20251203 |
| Shandong Wonfull Petro | China national standards | MT | 714.45 | USD | 20251203 |
| Shandong Zhongke Taihua | China national standards | MT | 946.94 | USD | 20251203 |
| Zibo Lishuo Chem | China national standards | MT | 819.74 | USD | 20251203 |