| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Huize Chem | China national standards | MT | 1051.23 | USD | 20250807 |
| Qingdao Shengze Chem | China national standards | MT | 967.13 | USD | 20250807 |
| Qingdao Shengze Chem | China national standards | MT | 967.13 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 869.02 | USD | 20250807 |
| Shandong Fusheng | China national standards | MT | 1093.28 | USD | 20250807 |
| Shandong Fusheng | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chem | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Qiangsen Chem | China national standards | MT | 883.03 | USD | 20250807 |
| Shandong Xima | China national standards | MT | 868.24 | USD | 20250806 |
| Qingdao Shengze Chem | China national standards | MT | 966.26 | USD | 20250806 |