| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1128.92 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1121.87 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1188.19 | USD | 20251030 |
| Shandong Hongyang Chem | China national standards | MT | 1093.64 | USD | 20251030 |
| Shandong Jinling Chem | China national standards | MT | 1242.18 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1129.26 | USD | 20251029 |
| Shandong Zhiheng | China national standards | MT | 1171.6 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1093.97 | USD | 20251029 |
| Shandong Hongyang Chem | China national standards | MT | 1188.54 | USD | 20251029 |