| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Hongyang Chem | China national standards | MT | 1902.64 | USD | 20251022 |
| Shandong Zhenkun | China national standards | MT | 1452.14 | USD | 20251021 |
| Shandong Yuxuan Chem | China national standards | MT | 1607.22 | USD | 20251021 |
| Shandong Hongyang Chem | China national standards | MT | 1903.28 | USD | 20251021 |
| Shandong Dongyue | China national standards | MT | 1832.79 | USD | 20251021 |
| Liaocheng Yuanze Chem | China national standards | MT | 1536.73 | USD | 20251021 |
| Shandong Yuxuan Chem | China national standards | MT | 1606.24 | USD | 20251020 |
| Liaocheng Yuanze Chem | China national standards | MT | 1535.8 | USD | 20251020 |
| Shandong Dongyue | China national standards | MT | 1831.68 | USD | 20251020 |
| Shandong Hongyang Chem | China national standards | MT | 1902.13 | USD | 20251020 |