| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 885.43 | USD | 20250926 |
| Shandong Qiangsen Chem | China national standards | MT | 885.43 | USD | 20250926 |
| Shandong Fusheng | China national standards | MT | 1096.24 | USD | 20250926 |
| Shandong Fusheng | China national standards | MT | 885.43 | USD | 20250926 |
| Nanjing Guanshan Energy | China national standards | MT | 962.73 | USD | 20250926 |
| Shandong Hualu | China national standards | MT | 976.78 | USD | 20250926 |
| Shandong Hualu | China national standards | MT | 983.81 | USD | 20250926 |
| Nanjing Waien Chem | China national standards | MT | 969.75 | USD | 20250926 |
| Shandong Daoqin Chem | China national standards | MT | 983.81 | USD | 20250926 |
| Zibo Dehe Chem | China national standards | MT | 999.2 | USD | 20250925 |