| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20250430 | |
| CNPC | China national standards | MT | USD | 20250430 | |
| Shandong Chambroad | China national standards | MT | USD | 20250430 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20250430 | |
| Dongying Yatong | China national standards | MT | USD | 20250430 | |
| DMZY Petroche | China national standards | MT | USD | 20250430 | |
| Hebei Xinhai | China national standards | MT | USD | 20250430 | |
| Wudi Xinyue Chem | China national standards | MT | USD | 20250430 | |
| Binzhou Youtai | China national standards | MT | USD | 20250430 | |
| Qicheng Shandong Petro | China national standards | MT | USD | 20250430 |
