| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Pulaihua Chem | China national standards | MT | 1197.96 | USD | 20251022 |
| Shandong Aite Chem | China national standards | MT | 1155.68 | USD | 20251022 |
| Shandong Junfeng | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Yeyang Chem | China national standards | MT | 1268.43 | USD | 20251022 |
| Shandong Mingyu | China national standards | MT | 1127.49 | USD | 20251022 |
| Shandong Yeyang Chem | China national standards | MT | 1268.86 | USD | 20251021 |
| Shandong Junfeng | China national standards | MT | 1127.87 | USD | 20251021 |
| Jinan Pulaihua Chem | China national standards | MT | 1198.36 | USD | 20251021 |
| Shandong Langchem | China national standards | MT | 1244.89 | USD | 20251021 |
| Shandong Mingyu | China national standards | MT | 1127.87 | USD | 20251021 |