| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 851.45 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 788.12 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 774.05 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 703.68 | USD | 20250930 |
| Shandong Xima | China national standards | MT | 703.68 | USD | 20250930 |
| Shandong Qiangsen Chem | China national standards | MT | 802.2 | USD | 20250930 |