| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qingdao Shengze Chem | China national standards | MT | USD | 20251130 | |
| Shandong Chambroad | China national standards | MT | USD | 20251130 | |
| CNPC | China national standards | MT | USD | 20251130 | |
| Qilu Petrochem | China national standards | MT | USD | 20251130 | |
| Aite Zhejiang | China national standards | MT | USD | 20251129 | |
| Huizhou Jincheng Petro | China national standards | MT | USD | 20251129 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251129 | |
| CNPC | China national standards | MT | USD | 20251129 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20251129 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251129 |
