| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin EC | China national standards | MT | 970.08 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250920 |
| Jinan Dezheng Chem | China national standards | MT | 970.08 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |
| Shandong Shuojia Chem | China national standards | MT | 998.2 | USD | 20250920 |