| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| Zibo Xintai Chem | China national standards | MT | USD | 20251231 | |
| Shandong Wantong | China national standards | MT | USD | 20251231 | |
| Qingdao Jinneng | China national standards | MT | USD | 20251231 | |
| Dongying Eastar | China national standards | MT | USD | 20251231 | |
| Dongying Qirun Chem | China national standards | MT | USD | 20251231 | |
| CNPC | China national standards | MT | USD | 20251231 | |
| Dongying Tianhong | China national standards | MT | USD | 20251231 | |
| BJ Zhenhua Oil | China national standards | MT | USD | 20251231 | |
| Shandong Yulong | China national standards | MT | USD | 20251231 | |
| Binzhou Binhua | China national standards | MT | USD | 20251231 |
