| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 855.9 | USD | 20251211 |
| Shandong Jinwen Chem | China national standards | MT | 855.9 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Qiangsen Chem | China national standards | MT | 806.38 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Xima | China national standards | MT | 707.35 | USD | 20251211 |
| Shanghai Ronghe Chem | China national standards | MT | 763.94 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 728.57 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 728.57 | USD | 20251211 |
| Shandong Yushuo Chem | China national standards | MT | 728.57 | USD | 20251211 |