| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250924 | |
| Shandong Zhiheng | China national standards | MT | USD | 20250924 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20250924 | |
| Shaanxi Petro Yanan | China national standards | MT | USD | 20250924 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20250924 | |
| Shandong Huize Chem | China national standards | MT | USD | 20250924 | |
| Shandong Energy | China national standards | MT | USD | 20250924 | |
| Aite Zhejiang | China national standards | MT | USD | 20250924 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250924 | |
| Shandong Xima | China national standards | MT | USD | 20250924 |