| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 787.31 | USD | 20250919 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.22 | USD | 20250919 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 745.14 | USD | 20250919 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.65 | USD | 20250918 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 703.38 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |