| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Fusheng | China national standards | MT | 887.9 | USD | 20251022 |
| Nanjing Guanshan Energy | China national standards | MT | 944.27 | USD | 20251022 |
| Nanjing Guanshan Energy | China national standards | MT | 958.37 | USD | 20251022 |
| Shandong Hualu | China national standards | MT | 958.37 | USD | 20251022 |
| Nanjing Waien Chem | China national standards | MT | 944.27 | USD | 20251022 |
| Shandong Yihe Chem | China national standards | MT | 1268.86 | USD | 20251021 |
| Shandong Xima | China national standards | MT | 874.1 | USD | 20251021 |
| Shandong Qiangsen Chem | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Qiangsen Chem | China national standards | MT | 888.2 | USD | 20251021 |
| Shandong Fusheng | China national standards | MT | 888.2 | USD | 20251021 |