| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 381.38 | USD | 20251126 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.69 | USD | 20251126 |
| China national standards | MT | 423.75 | USD | 20251126 | |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 381.38 | USD | 20251126 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.88 | USD | 20251126 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 331.8 | USD | 20251125 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.56 | USD | 20251125 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 352.98 | USD | 20251125 |
| China national standards | MT | 296.5 | USD | 20251125 | |
| Hebei Pengfa Chemcal Co., Ltd. | China national standards | MT | 328.98 | USD | 20251125 |