| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20251231 | |
| CNPC | China national standards | MT | USD | 20251231 | |
| Ningbo Cestoil | SA-1800 | MT | USD | 20251230 | |
| Suzhou Jiutai | SA-2000 | MT | USD | 20251230 | |
| Zhenjiang Zhengdan | SA-1000 | MT | USD | 20251230 | |
| NJ Zhenxing | SA-2000 | MT | USD | 20251230 | |
| Jiangsu Hualun Chemical | SA-1800 | MT | USD | 20251230 | |
| Zibo Saier | SA-1500 | MT | USD | 20251230 | |
| Zibo Ruibo | SA-1000 | MT | USD | 20251230 | |
| Shandong Chambroad | SA-1500 | MT | USD | 20251230 |
