| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 984.45 | USD | 20250922 |
| Shandong Xima | China national standards | MT | 871.94 | USD | 20250922 |
| Shandong Fusheng | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Fusheng | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Qiangsen Chem | China national standards | MT | 886.0 | USD | 20250922 |
| Shandong Yihe Chem | China national standards | MT | 1265.72 | USD | 20250922 |
| Shandong Daoqin Chem | China national standards | MT | 984.45 | USD | 20250922 |