| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20251022 | |
| Shandong Yihe Chem | China national standards | MT | USD | 20251022 | |
| Shandong Mengkanda Chem | China national standards | MT | USD | 20251022 | |
| CNPC | China national standards | MT | USD | 20251022 | |
| Shandong Yeyang Chem | China national standards | MT | USD | 20251022 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251022 | |
| Derun Chem | China national standards | MT | USD | 20251022 | |
| Shandong Aite Chem | China national standards | MT | USD | 20251022 | |
| Shandong Chambroad | China national standards | MT | USD | 20251022 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251022 |
