| Vendor | Spec | Unit | Price | Currency | Date |
| Suzhou Shangma Chemical Technology Co., Ltd. | China national standards | MT | 407.58 | USD | 20250926 |
| Henan Longyu Coal Chemical Co., Ltd. | China national standards | MT | 344.33 | USD | 20250926 |
| Chizhou Xinyu Chemical Technology Co., Ltd. | China national standards | MT | 407.58 | USD | 20250926 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 351.36 | USD | 20250926 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| China national standards | MT | 365.41 | USD | 20250926 | |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 365.41 | USD | 20250926 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 393.52 | USD | 20250926 |
| China national standards | MT | 421.63 | USD | 20250926 | |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 421.63 | USD | 20250926 |