| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Langchem | China national standards | MT | USD | 20251208 | |
| Sinopec | China national standards | MT | USD | 20251208 | |
| CNPC | China national standards | MT | USD | 20251208 | |
| Shandong Changyi Petro | China national standards | MT | USD | 20251208 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251208 | |
| Huizhou Jincheng Petro | China national standards | MT | USD | 20251208 | |
| Jinan Jiaxing Chem | China national standards | MT | USD | 20251208 | |
| Shandong Mingyu | China national standards | MT | USD | 20251208 | |
| Derun Chem | China national standards | MT | USD | 20251208 | |
| Shandong Yaoming Chem | China national standards | MT | USD | 20251208 |
