| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Shengfeng | China national standards | MT | 966.63 | USD | 20250808 |
| Shandong Qiangsen Chem | China national standards | MT | 938.61 | USD | 20250808 |
| Shandong Xima | China national standards | MT | 882.58 | USD | 20250808 |
| Shandong Xima | China national standards | MT | 966.63 | USD | 20250808 |
| Shandong Huize Chem | China national standards | MT | 925.08 | USD | 20250807 |
| Jinan Shengfeng | China national standards | MT | 967.13 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chem | China national standards | MT | 939.1 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 967.13 | USD | 20250807 |
| Jinan Shengfeng | China national standards | MT | 966.26 | USD | 20250806 |