| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Jinrihe Chem | China national standards | MT | 738.84 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Shuojia Chem | China national standards | MT | 759.95 | USD | 20250925 |
| Shandong Huize Chem | China national standards | MT | 851.43 | USD | 20250925 |
| Shandong Zhongke Taihua | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Zhongke Taihua | China national standards | MT | 942.9 | USD | 20250925 |
| Shandong Zhongke Taihua | China national standards | MT | 942.9 | USD | 20250925 |