| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20260105 | |
| Shandong Yushuo Chem | China national standards | MT | USD | 20260105 | |
| Shandong Shuojia Chem | China national standards | MT | USD | 20260105 | |
| Jinan Angxin Chem | China national standards | MT | USD | 20260105 | |
| Weifang Yixin Chem | China national standards | MT | USD | 20260105 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20260105 | |
| Shandong Aite Chem | China national standards | MT | USD | 20260105 | |
| Shandong Langchem | China national standards | MT | USD | 20260105 | |
| Shandong Zhiheng | China national standards | MT | USD | 20260105 | |
| CNPC | China national standards | MT | USD | 20260105 |
