| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Langchem | China national standards | MT | 1173.4 | USD | 20251120 |
| Shandong Junfeng | China national standards | MT | 1198.79 | USD | 20251120 |
| Wanhua Chem | China national standards | MT | 1339.82 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1093.01 | USD | 20251120 |
| Befar | China national standards | MT | 888.51 | USD | 20251120 |
| Shandong Yeyang Chem | China national standards | MT | 1241.1 | USD | 20251120 |
| Shandong Zhiheng | China national standards | MT | 1170.58 | USD | 20251120 |
| Shandong Zhiheng | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Zhiheng | China national standards | MT | 1128.27 | USD | 20251120 |
| Shandong Hongyang Chem | China national standards | MT | 1121.22 | USD | 20251120 |