| Vendor | Spec | Unit | Price | Currency | Date |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.8 | USD | 20251005 |
| China national standards | MT | 365.91 | USD | 20251004 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251004 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.8 | USD | 20251004 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251004 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.32 | USD | 20251004 |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 341.99 | USD | 20251004 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251004 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251003 |
| China national standards | MT | 365.91 | USD | 20251003 |