| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| 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 | |
| CNPC | China national standards | MT | USD | 20251025 | |
| Qilu Petrochem | China national standards | MT | USD | 20251025 | |
| CNPC | China national standards | MT | USD | 20251025 | |
| Shandong Chambroad | China national standards | MT | USD | 20251025 | |
| Derun Chem | China national standards | MT | USD | 20251025 | |
| Wuhan Hengjiu Chem | China national standards | MT | USD | 20251025 | |
| Huaibei Beike | China national standards | MT | USD | 20251024 |
