| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Shandong Qiancheng | China national standards | MT | USD | 20251013 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20251013 | |
| CNPC | China national standards | MT | USD | 20251013 | |
| Jinan Aochen Chem | China national standards | MT | USD | 20251013 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20251013 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251013 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251013 | |
| Shaanxi Lufeng Chem | China national standards | MT | USD | 20251013 | |
| Nantong Zhonghe Chem | China national standards | MT | USD | 20251013 | |
| Liaocheng Yuanze Chem | China national standards | MT | USD | 20251013 |
