| Vendor | Spec | Unit | Price | Currency | Date |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 409.64 | USD | 20251202 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 381.39 | USD | 20251202 |
| China national standards | MT | 381.39 | USD | 20251202 | |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 353.14 | USD | 20251202 |
| China national standards | MT | 381.39 | USD | 20251202 | |
| Jiangsu SOPO Chemical Co., Ltd. | China national standards | MT | 353.14 | USD | 20251202 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.7 | USD | 20251202 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 324.89 | USD | 20251202 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.7 | USD | 20251202 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 303.7 | USD | 20251202 |