| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1256.6 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 1058.93 | USD | 20251125 |
| Shandong Yihe Chem | China national standards | MT | 1080.11 | USD | 20251125 |
| Shandong Yaowang Chem | China national standards | MT | 1143.65 | USD | 20251125 |
| Shandong Junfeng | China national standards | MT | 931.86 | USD | 20251125 |
| Shandong Langchem | China national standards | MT | 1214.24 | USD | 20251125 |
| Nanjing Runhua Chem | China national standards | MT | 1171.89 | USD | 20251125 |
| Jinan Aochen Chem | China national standards | MT | 1552.64 | USD | 20251124 |
| Xiamen Yudeshun Chem | China national standards | MT | 1552.64 | USD | 20251124 |
| Jinan Aochen Chem | China national standards | MT | 1552.64 | USD | 20251124 |