| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Hebei Taiji | China national standards | MT | USD | 20250331 | |
| Qinyang Qirui | China national standards | MT | USD | 20250328 | |
| Xinzheng Qingan | China national standards | MT | USD | 20250328 | |
| Kaifeng JIUHONG | China national standards | MT | USD | 20250328 | |
| Anqing Litian | China national standards | MT | USD | 20250328 | |
| ZJ Hongbo Tech | China national standards | MT | USD | 20250328 | |
| Jieyang Chunda | China national standards | MT | USD | 20250328 | |
| Fujian Chunda | China national standards | MT | USD | 20250328 | |
| Shandong Hongxin Chem | China national standards | MT | USD | 20250328 | |
| Shandong QILU | China national standards | MT | USD | 20250328 |
