| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 352.98 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 344.51 | USD | 20251125 |
| China national standards | MT | 395.34 | USD | 20251125 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 395.34 | USD | 20251125 |
| China national standards | MT | 344.51 | USD | 20251125 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.56 | USD | 20251125 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.98 | USD | 20251125 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 344.51 | USD | 20251125 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.56 | USD | 20251125 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.56 | USD | 20251125 |