| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251207 | |
| Shandong Qiancheng | China national standards | MT | USD | 20251207 | |
| CNPC | China national standards | MT | USD | 20251207 | |
| Luxi Chem | China national standards | MT | USD | 20251207 | |
| Lihuayi Shandong | China national standards | MT | USD | 20251207 | |
| CNPC | China national standards | MT | USD | 20251206 | |
| Shandong Laya Chem | China national standards | MT | USD | 20251206 | |
| Shandong Qiangsen Chem | China national standards | MT | USD | 20251206 | |
| Shandong Xima | China national standards | MT | USD | 20251206 | |
| Zibo Lishuo Chem | China national standards | MT | USD | 20251206 |
