| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 958.07 | USD | 20250715 |
| Qingdao Shengze Chem | China national standards | MT | 1105.03 | USD | 20250714 |
| Shandong Fusheng | China national standards | MT | 958.16 | USD | 20250714 |
| Shandong Fusheng | China national standards | MT | 958.16 | USD | 20250714 |
| Shandong Fusheng | China national standards | MT | 958.16 | USD | 20250714 |
| Shandong Fusheng | China national standards | MT | 958.16 | USD | 20250714 |
| Qingdao Shengze Chem | China national standards | MT | 1105.28 | USD | 20250713 |
| Qingdao Shengze Chem | China national standards | MT | 1105.28 | USD | 20250712 |
| Qingdao Shengze Chem | China national standards | MT | 1105.28 | USD | 20250711 |
| Shandong Fusheng | China national standards | MT | 958.38 | USD | 20250711 |