| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Sinopec | China national standards | MT | USD | 20260305 | |
| CNPC | China national standards | MT | USD | 20260305 | |
| Zhenjiang Zhengdan | SA-1000 | MT | USD | 20260304 | |
| NJ Zhenxing | SA-2000 | MT | USD | 20260304 | |
| Jiangsu Hualun Chemical | SA-1800 | MT | USD | 20260304 | |
| Zibo Saier | SA-1500 | MT | USD | 20260304 | |
| Zibo Ruibo | SA-1000 | MT | USD | 20260304 | |
| Qingzhou Weisheng | SA-1800 | MT | USD | 20260304 | |
| Shandong Chambroad | SA-1500 | MT | USD | 20260304 | |
| QD Ruifengyuan | SA-1800 | MT | USD | 20260304 |
