| Vendor | Spec | Unit | Price | Currency | Date |
|---|---|---|---|---|---|
| CNPC | China national standards | MT | USD | 20250919 | |
| Wanhua Chem | China national standards | MT | USD | 20250919 | |
| Sinopec | China national standards | MT | USD | 20250919 | |
| Shandong Junfeng | China national standards | MT | USD | 20250919 | |
| Sinopec | China national standards | MT | USD | 20250919 | |
| Shandong Huize Chem | China national standards | MT | USD | 20250919 | |
| Sinopec | China national standards | MT | USD | 20250919 | |
| Lihuayi Shandong | China national standards | MT | USD | 20250919 | |
| Shandong Yuhuang Chem | China national standards | MT | USD | 20250919 | |
| CNPC | China national standards | MT | USD | 20250918 |
