| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Hebang Chem | China national standards | MT | 1351.07 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Hubei 789 Chem | China national standards | MT | 1125.89 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 1435.51 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 1435.51 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 1435.51 | USD | 20250930 |
| Jinan Dezheng Chem | China national standards | MT | 1435.51 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 1716.98 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 1716.98 | USD | 20250930 |
| Shandong Yushuo Chem | China national standards | MT | 1716.98 | USD | 20250930 |