| Vendor | Spec | Unit | Price | Currency | Date |
| China national standards | MT | 324.64 | USD | 20251124 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 423.45 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| China national standards | MT | 409.33 | USD | 20251124 | |
| China national standards | MT | 296.41 | USD | 20251124 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.88 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.47 | USD | 20251124 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 381.1 | USD | 20251124 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 381.1 | USD | 20251124 |