| Vendor | Spec | Unit | Price | Currency | Date |
| Lihuayi Shandong | China national standards | MT | 867.96 | USD | 20251110 |
| Jinan Qi Mat | China national standards | MT | 867.96 | USD | 20251110 |
| Zibo Lishuo Chem | China national standards | MT | 987.92 | USD | 20251110 |
| Sinopec | China national standards | MT | 867.96 | USD | 20251110 |
| Shandong Langchem | China national standards | MT | 1298.41 | USD | 20251110 |
| Lihuayi Shandong | China national standards | MT | 870.78 | USD | 20251110 |
| Sinopec | China national standards | MT | 867.96 | USD | 20251110 |
| Lihuayi Shandong | China national standards | MT | 1246.19 | USD | 20251110 |
| Shaanxi Yanchang Petro | China national standards | MT | 867.96 | USD | 20251110 |
| Jinan Qi Mat | China national standards | MT | 867.96 | USD | 20251110 |