| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1127.87 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 1170.17 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1092.63 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1187.09 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1120.82 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 1169.46 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Zhiheng | China national standards | MT | 1127.19 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1120.14 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1186.37 | USD | 20251020 |