| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 394.21 | USD | 20250908 |
| Shandong Qiancheng New Materials Co., Ltd. | China national standards | MT | 1041.83 | USD | 20250908 |
| Shandong Qiancheng New Materials Co., Ltd. | 90% | MT | 394.21 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 478.68 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 478.68 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 422.36 | USD | 20250908 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 422.36 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 401.24 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 405.47 | USD | 20250908 |
| Shandong Langcheng Chemical Co., Ltd. | 90% | MT | 450.52 | USD | 20250908 |