| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong HHL | China national standards | MT | 1056.07 | USD | 20260304 |
| Lihuayi Shandong | China national standards | MT | 984.25 | USD | 20260303 |
| Luxi Chem | China national standards | MT | 1027.67 | USD | 20260303 |
| Shandong HHL | China national standards | MT | 1027.67 | USD | 20260303 |
| Luxi Chem | China national standards | MT | 953.26 | USD | 20260302 |
| Lihuayi Shandong | China national standards | MT | 953.26 | USD | 20260302 |
| Lihuayi Shandong | China national standards | MT | 938.93 | USD | 20260227 |
| Luxi Chem | China national standards | MT | 938.93 | USD | 20260226 |
| Lihuayi Shandong | China national standards | MT | 946.15 | USD | 20260226 |
| Shandong HHL | China national standards | MT | 993.42 | USD | 20260212 |