| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260327 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260326 | |
| Wanhua Chem | China national standards | MT | USD | 20260326 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260324 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260320 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260319 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260318 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260316 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260313 | |
| Lihuayi Weiyuan Chem | China national standards | MT | USD | 20260312 |