| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 963.32 | USD | 20250827 |
| Shandong Fusheng | China national standards | MT | 962.24 | USD | 20250826 |
| Shandong Fusheng | China national standards | MT | 962.24 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1109.74 | USD | 20250826 |
| Qingdao Shengze Chem | China national standards | MT | 1110.16 | USD | 20250825 |
| Shandong Fusheng | China national standards | MT | 962.61 | USD | 20250825 |
| Shandong Fusheng | China national standards | MT | 962.61 | USD | 20250825 |
| Qingdao Shengze Chem | China national standards | MT | 1107.67 | USD | 20250823 |
| Qingdao Shengze Chem | China national standards | MT | 1107.67 | USD | 20250822 |
| Shandong Fusheng | China national standards | MT | 960.45 | USD | 20250822 |