| Vendor | Spec | Unit | Price | Currency | Date |
| Jieyang Chunda | China national standards | MT | 1330.39 | USD | 20260514 |
| Fujian Chunda | China national standards | MT | 1330.39 | USD | 20260514 |
| Shandong QILU | China national standards | MT | 1315.77 | USD | 20260514 |
| Shijiaz Bailong Chem | China national standards | MT | 1315.77 | USD | 20260514 |
| Hebei Taiji | China national standards | MT | 1315.77 | USD | 20260514 |
| Xinzheng Qingan | China national standards | MT | 1315.77 | USD | 20260514 |
| Kaifeng JIUHONG | China national standards | MT | 1315.77 | USD | 20260514 |
| Anqing Litian | China national standards | MT | 1330.39 | USD | 20260514 |
| ZJ Hongbo Tech | China national standards | MT | 1345.01 | USD | 20260514 |
| Jieyang Chunda | China national standards | MT | 1329.81 | USD | 20260513 |