| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1174.54 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1185.84 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 1129.37 | USD | 20251107 |
| Jinan Qi Mat | China national standards | MT | 1637.59 | USD | 20251107 |
| Hubei 789 Chem | China national standards | MT | 1129.37 | USD | 20251107 |
| Shandong Langchem | China national standards | MT | 1174.54 | USD | 20251107 |
| Hunan Qilu Tech | China national standards | MT | 1736.41 | USD | 20251107 |
| Shandong Junfeng | China national standards | MT | 924.67 | USD | 20251107 |
| Shandong Yuxuan Chem | China national standards | MT | 1835.23 | USD | 20251107 |
| Shandong Hongyang Chem | China national standards | MT | 1128.91 | USD | 20251106 |