| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20250831 | |
| Shandong Laya Chem | China national standards | MT | USD | 20250830 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20250830 | |
| Shandong Xima | China national standards | MT | USD | 20250830 | |
| Zibo Lishuo Chem | China national standards | MT | USD | 20250830 | |
| Shandong Xingpeng Chem | China national standards | MT | USD | 20250830 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20250830 | |
| CNPC | China national standards | MT | USD | 20250829 | |
| Lijin Lihuayi | China national standards | MT | USD | 20250829 | |
| Shandong Luxi Chem | China national standards | MT | USD | 20250829 |
