| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1185.08 | USD | 20251027 |
| Shandong Langchem | China national standards | MT | 1170.98 | USD | 20251027 |
| Shandong Yihe Chem | China national standards | MT | 1523.68 | USD | 20251027 |
| Shandong Yeyang Chem | China national standards | MT | 1149.81 | USD | 20251027 |
| Shandong Junfeng | China national standards | MT | 924.08 | USD | 20251027 |
| Shandong Junfeng | China national standards | MT | 917.03 | USD | 20251027 |
| Dongying Hebang Chem | China national standards | MT | 1354.38 | USD | 20251027 |
| Shandong Haili Chem | China national standards | MT | 1834.06 | USD | 20251027 |
| Jinan Aochen Chem | China national standards | MT | 1354.38 | USD | 20251027 |
| Jinan Aochen Chem | China national standards | MT | 1354.38 | USD | 20251027 |