| Vendor | Spec | Unit | Price | Currency | Date |
| Hualu Holdings | China national standards | MT | 1180.97 | USD | 20250919 |
| Shandong Huize Chem | China national standards | MT | 1054.44 | USD | 20250919 |
| Shandong Xima | China national standards | MT | 871.67 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Qiangsen Chem | China national standards | MT | 885.73 | USD | 20250919 |
| Shandong Yuxuan Chem | China national standards | MT | 998.2 | USD | 20250919 |
| Jinan Aochen Chem | China national standards | MT | 1082.56 | USD | 20250919 |
| Shandong Hualu | China national standards | MT | 1019.29 | USD | 20250919 |
| Shandong Yushuo Chem | China national standards | MT | 1040.38 | USD | 20250919 |
| Nanjing Waien Chem | China national standards | MT | 984.14 | USD | 20250919 |