| Vendor | Spec | Unit | Price | Currency | Date |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 773.72 | USD | 20250918 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 766.69 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 745.59 | USD | 20250918 |
| JIN Yimeng Group Co., Ltd. | China national standards | MT | 801.86 | USD | 20250918 |
| Qingdao Shengze Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Qingdao Chengxin Hongfeng Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Yankuang Guotai Chemical Co., Ltd. | China national standards | MT | 689.32 | USD | 20250918 |
| Jinan Pulaihua Chemical Co., Ltd. | China national standards | MT | 914.4 | USD | 20250918 |
| Jinan Angxin Chemical Co., Ltd. | China national standards | MT | 731.52 | USD | 20250918 |