| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1120.85 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1187.12 | USD | 20251024 |
| Shandong Hongyang Chem | China national standards | MT | 1092.66 | USD | 20251024 |
| Shandong Zhiheng | China national standards | MT | 1170.2 | USD | 20251024 |
| Shandong Zhiheng | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Zhiheng | China national standards | MT | 1127.9 | USD | 20251024 |
| Shandong Jinling Chem | China national standards | MT | 1029.36 | USD | 20251023 |
| Aite Zhejiang | China national standards | MT | 1128.06 | USD | 20251023 |
| Shandong Jinling Chem | China national standards | MT | 1269.07 | USD | 20251023 |
| Shandong Yeyang Chem | China national standards | MT | 1240.87 | USD | 20251023 |