| Vendor | Spec | Unit | Price | Currency | Date |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 675.05 | USD | 20250922 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 745.37 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 759.43 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.3 | USD | 20250922 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 703.18 | USD | 20250922 |
| Jinan Jiaxing Chemical Co., Ltd. | China national standards | MT | 660.99 | USD | 20250922 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 717.24 | USD | 20250922 |