| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 759.95 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250924 |
| Shandong Qiangsen Chemical Co., Ltd. | China national standards | MT | 802.17 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 738.84 | USD | 20250924 |
| Jinan Jinrihe Chemical Co., Ltd. | China national standards | MT | 745.88 | USD | 20250924 |
| Tangshan Hua Yi Industrial Co., Ltd. | China national standards | MT | 886.61 | USD | 20250924 |
| Shandong Yushuo Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250924 |
| Shandong Jinshengrun Chemical Co., Ltd. | China national standards | MT | 774.03 | USD | 20250924 |