| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei 789 Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1175.32 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 1271.38 | USD | 20251128 |
| Shandong Hongyang Chem | China national standards | MT | 1130.12 | USD | 20251128 |
| Jinan Aochen Chem | China national standards | MT | 1356.14 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1175.32 | USD | 20251128 |
| Shandong Yaowang Chem | China national standards | MT | 1836.44 | USD | 20251128 |
| Hunan JinyuChem | China national standards | MT | 1582.17 | USD | 20251128 |
| Shandong Shuojia Chem | China national standards | MT | 1568.04 | USD | 20251128 |
| Shandong Langchem | China national standards | MT | 1172.5 | USD | 20251128 |