| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Junfeng | China national standards | MT | 1201.02 | USD | 20251209 |
| Shandong Mingyu | China national standards | MT | 1215.15 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Jinling Chem | China national standards | MT | 1116.24 | USD | 20251209 |
| Shandong Jinling | China national standards | MT | 1073.86 | USD | 20251209 |
| Dongying Huatai Chem | China national standards | MT | 1257.54 | USD | 20251209 |
| Shandong Mingyu | China national standards | MT | 1215.15 | USD | 20251209 |
| Dongying HuataiChem | China national standards | MT | 1102.12 | USD | 20251209 |
| Shandong Yuxuan Chem | China national standards | MT | 1257.54 | USD | 20251209 |
| Wudi Xinyue Chem | China national standards | MT | 1116.24 | USD | 20251209 |