| Vendor | Spec | Unit | Price | Currency | Date |
| Jieyang Chunda | China national standards | MT | 1290.36 | USD | 20260608 |
| Fujian Chunda | China national standards | MT | 1290.36 | USD | 20260608 |
| Shandong Hongxin Chem | China national standards | MT | 1268.37 | USD | 20260608 |
| Shandong QILU | China national standards | MT | 1275.7 | USD | 20260608 |
| Shijiaz Bailong Chem | China national standards | MT | 1261.03 | USD | 20260608 |
| Hebei Taiji | China national standards | MT | 1261.03 | USD | 20260608 |
| Xinzheng Qingan | China national standards | MT | 1261.03 | USD | 20260608 |
| Kaifeng JIUHONG | China national standards | MT | 1275.7 | USD | 20260608 |
| Anqing Litian | China national standards | MT | 1261.03 | USD | 20260608 |
| ZJ Hongbo Tech | China national standards | MT | 1305.02 | USD | 20260608 |