| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petro | China national standards | MT | 902.32 | USD | 20251024 |
| Jinan Qi Mat | China national standards | MT | 902.32 | USD | 20251024 |
| Lihuayi Shandong | China national standards | MT | 902.32 | USD | 20251024 |
| Sinopec | China national standards | MT | 895.27 | USD | 20251024 |
| Lihuayi Shandong | China national standards | MT | 909.37 | USD | 20251024 |
| Sinopec | China national standards | MT | 895.27 | USD | 20251024 |
| Wanhua Chem | China national standards | MT | 930.52 | USD | 20251024 |
| Lihuayi Shandong | China national standards | MT | 884.0 | USD | 20251024 |
| Lihuayi Shandong | China national standards | MT | 1113.81 | USD | 20251024 |
| Lihuayi Shandong | China national standards | MT | 1113.81 | USD | 20251024 |