| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Xima | China national standards | MT | 964.58 | USD | 20250708 |
| Shandong Qiangsen Chem | China national standards | MT | 936.62 | USD | 20250708 |
| Shandong Xima | China national standards | MT | 964.95 | USD | 20250707 |
| Jinan Shengfeng | China national standards | MT | 1034.88 | USD | 20250707 |
| Shandong Xima | China national standards | MT | 964.95 | USD | 20250707 |
| Shandong Xima | China national standards | MT | 964.95 | USD | 20250707 |
| Shandong Xima | China national standards | MT | 964.95 | USD | 20250707 |
| Shandong Xima | China national standards | MT | 964.95 | USD | 20250707 |
| Unknown | China national standards | MT | 890.0 | USD | 20210323 |
| Unknown | China national standards | MT | 890.0 | USD | 20210323 |