| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Weiyuan Chem | China national standards | MT | 1668.82 | USD | 20260325 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1668.04 | USD | 20260324 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1593.26 | USD | 20260323 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1522.29 | USD | 20260319 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1596.31 | USD | 20260318 |
| Nantong Xingchen | China national standards | MT | 1856.18 | USD | 20260312 |
| Nantong Xingchen | China national standards | MT | 2140.03 | USD | 20260309 |
| Wanhua Chem | China national standards | MT | 2140.03 | USD | 20260309 |
| Nantong Xingchen | China national standards | MT | 1521.19 | USD | 20260306 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1419.78 | USD | 20260306 |