| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Yushuo Chem | China national standards | MT | USD | 20251029 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251029 | |
| Zibo Lishuo Chem | China national standards | MT | USD | 20251029 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251029 | |
| CNPC | China national standards | MT | USD | 20251029 | |
| Shandong Yuanhe Chem | China national standards | MT | USD | 20251029 | |
| Nantong Zhonghe Chem | China national standards | MT | USD | 20251029 | |
| Shandong Mingyu | China national standards | MT | USD | 20251029 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20251029 | |
| CNPC | China national standards | MT | USD | 20251029 |
