| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chemical Products Co., Ltd. | China national standards | MT | 984.5 | USD | 20251009 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.47 | USD | 20251009 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1195.47 | USD | 20251009 |
| Zibo Dehe Chemical Co., Ltd. | China national standards | MT | 1687.72 | USD | 20251009 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1054.82 | USD | 20251009 |
| Guanjiuzhou (Shandong) Energy Technology Co., Ltd. | China national standards | MT | 1061.85 | USD | 20251009 |
| China national standards | MT | 1097.02 | USD | 20251009 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 998.57 | USD | 20251009 |