| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 408.87 | USD | 20251025 | |
| China national standards | MT | 408.87 | USD | 20251025 | |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 369.39 | USD | 20251025 |
| China national standards | MT | 369.39 | USD | 20251025 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 329.91 | USD | 20251025 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251025 |
| Hualu Holdings Group Co., Ltd. | China national standards | MT | 415.91 | USD | 20251025 |
| Jia'en Chemical (Shandong) Co., Ltd. | China national standards | MT | 401.82 | USD | 20251025 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.12 | USD | 20251025 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 408.87 | USD | 20251025 |