| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chem | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Jinwen Chem | China national standards | MT | 966.14 | USD | 20250812 |
| Shandong Jinwen Chem | China national standards | MT | 1092.16 | USD | 20250812 |
| Qingdao Shengze Chem | China national standards | MT | 966.14 | USD | 20250812 |
| Qingdao Shengze Chem | China national standards | MT | 966.14 | USD | 20250812 |
| Nanjing Baitu Chem | China national standards | MT | 1036.15 | USD | 20250812 |
| Shandong Xima | China national standards | MT | 910.13 | USD | 20250812 |
| Qingdao Shengze Chem | China national standards | MT | 966.32 | USD | 20250811 |
| Qingdao Shengze Chem | China national standards | MT | 966.32 | USD | 20250811 |
| Shandong Jinwen Chem | China national standards | MT | 1092.36 | USD | 20250811 |