| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Laya Chem | China national standards | MT | 1001.76 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251122 |
| Shandong Qiangsen Chem | China national standards | MT | 987.65 | USD | 20251122 |
| Shandong Xima | China national standards | MT | 987.65 | USD | 20251122 |
| Qingdao Shengze Chem | China national standards | MT | 825.4 | USD | 20251122 |
| Liao Jinxinda | China national standards | MT | 853.62 | USD | 20251122 |
| Aite Zhejiang | China national standards | MT | 1072.31 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1100.53 | USD | 20251121 |
| Shandong Langchem | China national standards | MT | 1100.53 | USD | 20251121 |