| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20251112 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251112 | |
| Hebei Chuangde Tech | China national standards | MT | USD | 20251112 | |
| Shandong Langchem | China national standards | MT | USD | 20251112 | |
| Shandong Zhenkun | China national standards | MT | USD | 20251112 | |
| Shanghai Huayi | China national standards | MT | USD | 20251112 | |
| Chizhou Xinyu Chem | China national standards | MT | USD | 20251112 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20251112 | |
| Suzhou Shangma Chem | China national standards | MT | USD | 20251112 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20251112 |
