| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuxuan Chem | China national standards | MT | 1243.04 | USD | 20251202 |
| Shandong Zhiheng | China national standards | MT | 1172.42 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1341.92 | USD | 20251202 |
| Dongying HuataiChem | China national standards | MT | 1087.66 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1031.16 | USD | 20251202 |
| Shandong Yuxuan Chem | China national standards | MT | 1243.04 | USD | 20251202 |
| Shandong Jinling Chem | China national standards | MT | 1271.29 | USD | 20251202 |
| Nantong Zhonghe Chem | China national standards | MT | 1031.16 | USD | 20251202 |
| Qingdao Shengze Chem | China national standards | MT | 1087.66 | USD | 20251202 |
| Shandong Yihe Chem | China national standards | MT | 988.78 | USD | 20251202 |