| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 810.87 | USD | 20260130 |
| Lihuayi Weiyuan Chem | China national standards | MT | 802.63 | USD | 20260129 |
| Lihuayi Weiyuan Chem | China national standards | MT | 787.31 | USD | 20260127 |
| Lihuayi Weiyuan Chem | China national standards | MT | 749.17 | USD | 20260116 |
| Lihuayi Weiyuan Chem | China national standards | MT | 742.18 | USD | 20260115 |
| Lihuayi Weiyuan Chem | China national standards | MT | 734.46 | USD | 20260114 |
| Lihuayi Weiyuan Chem | China national standards | MT | 734.46 | USD | 20260114 |
| Jinan Angxin Chem | China national standards | MT | 721.5 | USD | 20251211 |
| Shandong Yihe Chem | China national standards | MT | 707.35 | USD | 20251211 |
| Shandong Zhiheng | China national standards | MT | 891.27 | USD | 20251211 |