| Vendor | Spec | Unit | Price | Currency | Date |
| Jieyang Chunda | China national standards | MT | 1397.91 | USD | 20260424 |
| Fujian Chunda | China national standards | MT | 1397.91 | USD | 20260424 |
| Shandong Hongxin Chem | China national standards | MT | 1383.35 | USD | 20260424 |
| Shandong QILU | China national standards | MT | 1390.63 | USD | 20260424 |
| Shijiaz Bailong Chem | China national standards | MT | 1368.79 | USD | 20260424 |
| Hebei Taiji | China national standards | MT | 1368.79 | USD | 20260424 |
| Xinzheng Qingan | China national standards | MT | 1354.22 | USD | 20260424 |
| Kaifeng JIUHONG | China national standards | MT | 1383.35 | USD | 20260424 |
| Anqing Litian | China national standards | MT | 1368.79 | USD | 20260424 |
| ZJ Hongbo Tech | China national standards | MT | 1412.47 | USD | 20260424 |