| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1305.92 | USD | 20260311 |
| Shandong HHL | China national standards | MT | 1320.43 | USD | 20260311 |
| Lihuayi Shandong | China national standards | MT | 1305.92 | USD | 20260311 |
| Luxi Chem | China national standards | MT | 1420.66 | USD | 20260310 |
| Shandong HHL | China national standards | MT | 1377.17 | USD | 20260310 |
| Lihuayi Shandong | China national standards | MT | 1333.68 | USD | 20260310 |
| Luxi Chem | China national standards | MT | 1236.3 | USD | 20260309 |
| Shandong HHL | China national standards | MT | 1229.07 | USD | 20260309 |
| Luxi Chem | China national standards | MT | 1130.03 | USD | 20260306 |
| Shandong HHL | China national standards | MT | 1144.51 | USD | 20260306 |