| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Qilu Petrochem | China national standards | MT | USD | 20251027 | |
| CNPC | China national standards | MT | USD | 20251027 | |
| Shandong Chambroad | China national standards | MT | USD | 20251027 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251026 | |
| Shandong Chambroad | China national standards | MT | USD | 20251026 | |
| CNPC | China national standards | MT | USD | 20251026 | |
| Qilu Petrochem | China national standards | MT | USD | 20251026 | |
| Shandong Dongming Petro | China national standards | MT | USD | 20251025 | |
| Qingdao Shengze Chem | China national standards | MT | USD | 20251025 | |
| CNPC | China national standards | MT | USD | 20251025 |
