| Vendor | Spec | Unit | Price | Currency | Date |
| Wanhua Chem | China national standards | MT | 1340.92 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 988.04 | USD | 20251124 |
| Shandong Langchem | China national standards | MT | 1174.36 | USD | 20251124 |
| Shandong Yihe Chem | China national standards | MT | 1058.62 | USD | 20251124 |
| Shandong Xima | China national standards | MT | 959.81 | USD | 20251124 |
| Shandong Yeyang Chem | China national standards | MT | 1242.11 | USD | 20251124 |
| Shandong Qiangsen Chem | China national standards | MT | 988.04 | USD | 20251124 |
| Dongying HuataiChem | China national standards | MT | 1072.31 | USD | 20251123 |
| Shandong Jinling Chem | China national standards | MT | 1072.31 | USD | 20251123 |
| Qingdao Shengze Chem | China national standards | MT | 1072.31 | USD | 20251123 |