| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251129 | |
| Shandong Yuxuan Chem | China national standards | MT | USD | 20251129 | |
| Shandong Laya Chem | China national standards | MT | USD | 20251129 | |
| Shandong Energy | China national standards | MT | USD | 20251129 | |
| Jinan Jiaxing Chem | China national standards | MT | USD | 20251129 | |
| Shandong Mingyu | China national standards | MT | USD | 20251129 | |
| CNPC | China national standards | MT | USD | 20251129 | |
| Lihuayi Shandong | China national standards | MT | USD | 20251129 | |
| Shandong Jinshenrun Chem | China national standards | MT | USD | 20251129 | |
| Wanhua Chem | China national standards | MT | USD | 20251129 |
