| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Qiangsen Chem | China national standards | MT | 987.77 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1174.03 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1213.54 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1213.54 | USD | 20251103 |
| Shandong Langchem | China national standards | MT | 1178.26 | USD | 20251103 |
| Wanhua Chem | China national standards | MT | 1340.54 | USD | 20251103 |
| Shandong Yuxuan Chem | China national standards | MT | 1312.32 | USD | 20251103 |
| Qingdao Shengze Chem | China national standards | MT | 1058.13 | USD | 20251102 |
| Qingdao Shengze Chem | China national standards | MT | 1058.13 | USD | 20251102 |
| Shandong Jinling Chem | China national standards | MT | 1058.13 | USD | 20251102 |