| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250928 | |
| Shandong Hongyang Chem | China national standards | MT | USD | 20250928 | |
| Shandong Zhiheng | China national standards | MT | USD | 20250928 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20250928 | |
| Shandong Laya Chem | China national standards | MT | USD | 20250928 | |
| Suzhou Zixu Mat | China national standards | MT | USD | 20250928 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250928 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20250928 | |
| Shandong Xima | China national standards | MT | USD | 20250928 | |
| Shaanxi Petro Yanan | China national standards | MT | USD | 20250928 |
