| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 937.57 | USD | 20250717 |
| Jinan Shengfeng | China national standards | MT | 992.65 | USD | 20250716 |
| Shandong Qiangsen Chem | China national standards | MT | 936.72 | USD | 20250716 |
| Shandong Xima | China national standards | MT | 965.06 | USD | 20250715 |
| Shandong Xima | China national standards | MT | 965.06 | USD | 20250715 |
| Shandong Xima | China national standards | MT | 965.06 | USD | 20250715 |
| Shandong Xima | China national standards | MT | 965.06 | USD | 20250715 |
| Shandong Qiangsen Chem | China national standards | MT | 937.09 | USD | 20250715 |
| Shandong Xima | China national standards | MT | 965.06 | USD | 20250715 |
| Jinan Shengfeng | China national standards | MT | 993.03 | USD | 20250715 |