| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1078.53 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1099.68 | USD | 20251021 |
| Shandong Fusheng | China national standards | MT | 1057.38 | USD | 20251021 |
| Shandong Fusheng | China national standards | MT | 1127.87 | USD | 20251021 |
| Shandong Laya Chem | China national standards | MT | 1000.99 | USD | 20251021 |
| Shandong Zhiheng | China national standards | MT | 1254.76 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1127.87 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1127.87 | USD | 20251021 |
| Liaocheng Yuanze Chem | China national standards | MT | 1015.09 | USD | 20251021 |