| Vendor | Spec | Unit | Price | Currency | Date |
| Dongying HuataiChem | China national standards | MT | 1087.66 | USD | 20251202 |
| Lihuayi Weiyuan Chem | China national standards | MT | 1087.66 | USD | 20251202 |
| Shandong Jinling | China national standards | MT | 1073.54 | USD | 20251202 |
| Jinan Qi Mat | China national standards | MT | 1115.91 | USD | 20251202 |
| Shandong Yuxuan Chem | China national standards | MT | 1243.04 | USD | 20251202 |
| Dongying HuataiChem | China national standards | MT | 1087.66 | USD | 20251202 |
| Shandong Junfeng | China national standards | MT | 1200.67 | USD | 20251202 |
| Shandong Langchem | China national standards | MT | 1180.06 | USD | 20251201 |
| Shandong Langchem | China national standards | MT | 1215.39 | USD | 20251201 |
| Shandong Jinwen Chem | China national standards | MT | 1215.39 | USD | 20251201 |