| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1088.28 | USD | 20251203 |
| Shandong Mingyu | China national standards | MT | 1215.48 | USD | 20251203 |
| Shandong Mingyu | China national standards | MT | 1257.88 | USD | 20251203 |
| Shandong Mingyu | China national standards | MT | 1229.61 | USD | 20251203 |
| Shandong Aite Chem | China national standards | MT | 1144.81 | USD | 20251203 |
| Shandong Mingyu | China national standards | MT | 1215.48 | USD | 20251203 |
| Shandong Mingyu | China national standards | MT | 1228.92 | USD | 20251202 |
| Dongying Huatai Chem | China national standards | MT | 1257.17 | USD | 20251202 |
| Shandong Mingyu | China national standards | MT | 1214.79 | USD | 20251202 |
| Shandong Mingyu | China national standards | MT | 1214.79 | USD | 20251202 |