| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 914.76 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 1020.31 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 1048.45 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 1048.45 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 1048.45 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 1048.45 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 1048.45 | USD | 20250925 |
| Shandong Huize Chem | China national standards | MT | 1055.49 | USD | 20250925 |
| Jinan Angxin Chem | China national standards | MT | 985.12 | USD | 20250925 |
| Jinan Angxin Chem | China national standards | MT | 985.12 | USD | 20250925 |