| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 957.43 | USD | 20250702 |
| Shandong Fusheng | China national standards | MT | 957.43 | USD | 20250702 |
| Qingdao Shengze Chem | China national standards | MT | 1104.37 | USD | 20250701 |
| Shandong Fusheng | China national standards | MT | 957.59 | USD | 20250701 |
| Shandong Fusheng | China national standards | MT | 957.59 | USD | 20250701 |
| Qingdao Shengze Chem | China national standards | MT | 1103.57 | USD | 20250630 |
| Shandong Fusheng | China national standards | MT | 956.89 | USD | 20250630 |
| Shandong Fusheng | China national standards | MT | 956.89 | USD | 20250630 |
| Qingdao Shengze Chem | China national standards | MT | 1102.94 | USD | 20250629 |
| Qingdao Shengze Chem | China national standards | MT | 1102.94 | USD | 20250628 |