| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 373.96 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.68 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.68 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.68 | USD | 20251030 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.68 | USD | 20251030 |
| China national standards | MT | 338.68 | USD | 20251030 | |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 338.68 | USD | 20251030 |
| China national standards | MT | 296.34 | USD | 20251030 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 409.23 | USD | 20251030 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.4 | USD | 20251030 |