| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 323.68 | USD | 20250924 |
| Shandong Zhenkun New Materials Co., Ltd. | China national standards | MT | 985.12 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 394.05 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | 90% | MT | 450.34 | USD | 20250924 |
| Zhongyin New Materials (Jinan) Co., Ltd. | China national standards | MT | 1041.42 | USD | 20250924 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 534.78 | USD | 20250924 |
| Shandong Yuanhe Xinsheng Chemical Trade Co., Ltd. | China national standards | MT | 541.82 | USD | 20250924 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 450.34 | USD | 20250924 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.9 | USD | 20250924 |
| Jinan Dezheng Chemical Co., Ltd. | China national standards | MT | 365.9 | USD | 20250924 |