| Vendor | Spec | Unit | Price | Currency | Date |
| Jinan Angxin Chem | China national standards | MT | 998.75 | USD | 20250929 |
| Shandong Xima | China national standards | MT | 872.15 | USD | 20250929 |
| Shandong Qiangsen Chem | China national standards | MT | 773.68 | USD | 20250929 |
| Baozhen Shandong Chem | China national standards | MT | 969.75 | USD | 20250928 |
| Shanxi Changlu Tech | China national standards | MT | 1082.19 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 1096.24 | USD | 20250928 |
| Beijing WentongTech | China national standards | MT | 1096.24 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 1096.24 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 969.75 | USD | 20250928 |
| Baozhen Shandong Chem | China national standards | MT | 969.75 | USD | 20250928 |