| Vendor | Spec | Unit | Price | Currency | Date |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 688.9 | USD | 20250919 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.19 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.08 | USD | 20250919 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.08 | USD | 20250919 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 801.37 | USD | 20250919 |
| Shandong Aite Chemical Co., Ltd. | China national standards | MT | 745.14 | USD | 20250919 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 773.25 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.22 | USD | 20250919 |
| Jinan Aochen Chemical Co., Ltd. | China national standards | MT | 731.08 | USD | 20250919 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 850.58 | USD | 20250919 |