| Vendor | Spec | Unit | Price | Currency | Date |
| Luxi Chem | China national standards | MT | 1130.03 | USD | 20260306 |
| Shandong HHL | China national standards | MT | 1144.51 | USD | 20260306 |
| Lihuayi Shandong | China national standards | MT | 1093.81 | USD | 20260306 |
| Luxi Chem | China national standards | MT | 1086.85 | USD | 20260305 |
| Lihuayi Shandong | China national standards | MT | 1014.39 | USD | 20260305 |
| Lihuayi Shandong | China national standards | MT | 1043.37 | USD | 20260305 |
| Shandong HHL | China national standards | MT | 1101.34 | USD | 20260305 |
| Luxi Chem | China national standards | MT | 1056.07 | USD | 20260304 |
| Shandong HHL | China national standards | MT | 1056.07 | USD | 20260304 |
| Lihuayi Shandong | China national standards | MT | 1012.67 | USD | 20260304 |