| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying Qirun Chem | China national standards | MT | 1005.19 | USD | 20260327 |
| Wudi Xinyue Chem | China national standards | MT | 1020.09 | USD | 20260327 |
| SD Dongfang Hualong | China national standards | MT | 1251.07 | USD | 20260327 |
| Puyang Fengli | China national standards | MT | 1048.58 | USD | 20260327 |
| Ningxia Baoting | China national standards | MT | 984.22 | USD | 20260327 |
| Dongying Qirun Chem | China national standards | MT | 1013.67 | USD | 20260326 |
| Wudi Xinyue Chem | China national standards | MT | 1043.07 | USD | 20260326 |
| SD Dongfang Hualong | China national standards | MT | 1267.09 | USD | 20260326 |
| Puyang Fengli | China national standards | MT | 1057.11 | USD | 20260326 |
| Ningxia Baoting | China national standards | MT | 999.91 | USD | 20260326 |