| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Zhiheng | China national standards | MT | 1128.33 | USD | 20251105 |
| Shandong Zhiheng | China national standards | MT | 1128.33 | USD | 20251105 |
| Dongying HuataiChem | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying HuataiChem | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying HuataiChem | China national standards | MT | 1057.81 | USD | 20251105 |
| Dongying HuataiChem | China national standards | MT | 1057.81 | USD | 20251105 |
| Shandong Aite Chem | China national standards | MT | 1269.66 | USD | 20251104 |
| Wudi Xinyue Chem | China national standards | MT | 1043.94 | USD | 20251104 |
| Shandong Jinling Chem | China national standards | MT | 1043.94 | USD | 20251104 |
| Dongying HuataiChem | China national standards | MT | 1043.94 | USD | 20251104 |