| Vendor | Spec | Unit | Price | Currency | Date |
| Xinjiang Tunhe Chem | China national standards | MT | 1254.34 | USD | 20260506 |
| Xinjiang Tunhe Chem | China national standards | MT | 1253.13 | USD | 20260430 |
| Xinjiang Tunhe Chem | China national standards | MT | USD | 20260421 | |
| Xinjiang Tunhe Chem | China national standards | MT | USD | 20260202 |