| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251006 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 422.21 | USD | 20251006 |
| China national standards | MT | 422.21 | USD | 20251006 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.06 | USD | 20251006 |
| China national standards | MT | 295.55 | USD | 20251006 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.91 | USD | 20251005 |
| China national standards | MT | 365.91 | USD | 20251005 | |
| China national standards | MT | 295.55 | USD | 20251005 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.32 | USD | 20251005 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.58 | USD | 20251005 |