| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Jinwen Chemical Co., Ltd. | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 773.47 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 787.53 | USD | 20250827 |
| Shandong Yeyang Chemical Co., Ltd. | China national standards | MT | 759.41 | USD | 20250827 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 745.35 | USD | 20250827 |
| Nanjing Baitu Chemicals Co., Ltd. | China national standards | MT | 745.35 | USD | 20250827 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 800.7 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 786.65 | USD | 20250826 |
| Shandong Junfeng New Materials Co., Ltd. | China national standards | MT | 772.6 | USD | 20250826 |
| Anhui Ruibai New Material Co., Ltd. | China national standards | MT | 688.32 | USD | 20250826 |