| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 422.49 | USD | 20251013 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 394.1 | USD | 20251012 |
| China national standards | MT | 422.25 | USD | 20251012 | |
| China national standards | MT | 408.17 | USD | 20251012 | |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 330.76 | USD | 20251012 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 415.21 | USD | 20251012 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.14 | USD | 20251012 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 302.61 | USD | 20251012 |
| China national standards | MT | 365.95 | USD | 20251012 | |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.95 | USD | 20251012 |