| Vendor | Spec | Unit | Price | Currency | Date |
| Hunan Yuanshuo Chem | China national standards | MT | 1664.79 | USD | 20251101 |
| JS Yangnong Chem | China national standards | MT | 853.56 | USD | 20251101 |
| Shandong Junfeng | China national standards | MT | 924.1 | USD | 20251101 |
| Shandong Junfeng | China national standards | MT | 917.04 | USD | 20251101 |
| Shandong Yihe Chem | China national standards | MT | 1622.46 | USD | 20251101 |
| Shandong Yeyang Chem | China national standards | MT | 1149.83 | USD | 20251031 |
| Shandong Yeyang Chem | China national standards | MT | 1142.78 | USD | 20251031 |
| JS Yangnong Chem | China national standards | MT | 1481.38 | USD | 20251031 |
| Weifang Mingbo Chem | China national standards | MT | 917.04 | USD | 20251031 |
| Shandong Yuxuan Chem | China national standards | MT | 1862.3 | USD | 20251031 |