| Vendor | Spec | Unit | Price | Currency | Date |
| Jining Zhongyin EC | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 1097.74 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Jinwen Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Luxi Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 971.08 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 971.08 | USD | 20250930 |