| Vendor | Spec | Unit | Price | Currency | Date |
| Sinopec | China national standards | MT | 925.61 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 919.96 | USD | 20251208 |
| Wanhua Chem | China national standards | MT | 946.81 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Lihuayi Shandong | China national standards | MT | 911.48 | USD | 20251208 |
| Shandong Yuhuang Chem | China national standards | MT | 989.2 | USD | 20251208 |
| Shaanxi Yanchang Petro | China national standards | MT | 890.47 | USD | 20251207 |
| Sinopec | China national standards | MT | 890.47 | USD | 20251207 |