| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| TJ Yongli Chem | China national standards | MT | USD | 20251201 | |
| Shaanxi Yanchang Petro | China national standards | MT | USD | 20251201 | |
| Sinopec | China national standards | MT | USD | 20251201 | |
| Shandong Zhenkun | China national standards | MT | USD | 20251201 | |
| Shandong Zhiheng | China national standards | MT | USD | 20251201 | |
| Chizhou Xinyu Chem | China national standards | MT | USD | 20251201 | |
| Chengdu Rongjiaxin Chem | Industrial Grade | MT | USD | 20251201 | |
| Suzhou Shangma Chem | China national standards | MT | USD | 20251201 | |
| Shandong Langchem | China national standards | MT | USD | 20251201 | |
| Hebei Chuangde Tech | China national standards | MT | USD | 20251201 |
