| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250402 | |
| Ningbo Cestoil | SA-1800 | MT | USD | 20250401 | |
| Suzhou Jiutai | SA-2000 | MT | USD | 20250401 | |
| Zhenjiang Zhengdan | SA-1000 | MT | USD | 20250401 | |
| NJ Zhenxing | SA-2000 | MT | USD | 20250401 | |
| Jiangsu Hualun Chemical | SA-1800 | MT | USD | 20250401 | |
| Weifang Runhai | SA-1500 | MT | USD | 20250401 | |
| Zibo Saier | SA-1500 | MT | USD | 20250401 | |
| Zibo Ruibo | SA-1000 | MT | USD | 20250401 | |
| Shandong Chambroad | SA-1500 | MT | USD | 20250401 |
