| Vendor | Spec | Unit | Price | Currency | Date |
| Henan LanenChem | China national standards | MT | 177.33 | USD | 20250930 |
| Sichuan Hebang Bio | China national standards | MT | 232.21 | USD | 20250930 |
| Shandong Hongyang Chem | China national standards | MT | 189.99 | USD | 20250930 |
| Henan Leavit Chem | China national standards | MT | 147.77 | USD | 20250930 |
| Henan Leavit Chem | China national standards | MT | 166.07 | USD | 20250930 |
| Henan Leavit Chem | China national standards | MT | 147.77 | USD | 20250930 |
| Henan Leavit Chem | China national standards | MT | 154.81 | USD | 20250930 |
| Tangshan Sanyou | China national standards | MT | 182.96 | USD | 20250930 |
| Henan Leavit Chem | China national standards | MT | 189.99 | USD | 20250930 |
| Hubei Shuanghuan Tech | China national standards | MT | 197.03 | USD | 20250930 |