| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 889.29 | USD | 20251029 |
| Shandong Qiangsen Chem | China national standards | MT | 889.29 | USD | 20251029 |
| Shandong Yihe Chem | China national standards | MT | 1270.41 | USD | 20251029 |
| Nanjing Guanshan Energy | China national standards | MT | 959.87 | USD | 20251029 |
| Nanjing Guanshan Energy | China national standards | MT | 959.87 | USD | 20251029 |
| Shandong Hualu | China national standards | MT | 952.81 | USD | 20251029 |
| Nanjing Waien Chem | China national standards | MT | 945.75 | USD | 20251029 |
| Shandong Fusheng | China national standards | MT | 889.29 | USD | 20251029 |
| Shandong Fusheng | China national standards | MT | 1101.03 | USD | 20251029 |
| Shandong Daoqin Chem | China national standards | MT | 945.75 | USD | 20251029 |