| Vendor | Spec | Unit | Price | Currency | Date |
| Xinjiang Tunhe Chem | China national standards | MT | 1253.13 | USD | 20260430 |
| Xinjiang Tunhe Chem | China national standards | MT | USD | 20260421 | |
| Sinopec | China national standards | MT | USD | 20260402 | |
| Xinjiang Tunhe Chem | China national standards | MT | USD | 20260202 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251211 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20251211 | |
| Xinjiang Markor Chem | China national standards | MT | USD | 20251211 | |
| Shanghai Juexin | China national standards | MT | USD | 20251211 | |
| ZJ Huguang Tech | China national standards | MT | USD | 20251211 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251211 |