| Vendor | Spec | Unit | Price | Currency | Date |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 330.21 | USD | 20251106 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.39 | USD | 20251106 |
| China national standards | MT | 409.02 | USD | 20251105 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 394.92 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| China national standards | MT | 338.5 | USD | 20251105 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.5 | USD | 20251105 |