| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Petro Yanan | China national standards | MT | 1060.46 | USD | 20251013 |
| Wanhua Chem | China national standards | MT | 1021.03 | USD | 20251013 |
| Shandong Zhiheng | China national standards | MT | 943.57 | USD | 20251013 |
| Shandong Energy | China national standards | MT | 788.65 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 774.57 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 802.74 | USD | 20251013 |
| Shandong Yeyang Chem | China national standards | MT | 774.57 | USD | 20251013 |
| Wanhua Chem | China national standards | MT | 760.49 | USD | 20251013 |
| Lihuayi Shandong | China national standards | MT | 957.65 | USD | 20251013 |
| Shandong Hongyang Chem | China national standards | MT | 957.65 | USD | 20251013 |