| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 937.39 | USD | 20250712 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250712 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250712 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250712 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250711 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250711 |
| Shandong Qiangsen Chem | China national standards | MT | 937.39 | USD | 20250711 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250711 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250711 |
| Shandong Xima | China national standards | MT | 965.37 | USD | 20250711 |