| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Yuhuang Chem | China national standards | MT | 1201.18 | USD | 20251208 |
| Shaanxi Yanchang Petro | China national standards | MT | 1201.18 | USD | 20251208 |
| Sinopec | China national standards | MT | 1201.18 | USD | 20251208 |
| Jinan Jiaxing Chem | China national standards | MT | 1158.78 | USD | 20251208 |
| Beijing Yanshan Petro | China national standards | MT | 932.68 | USD | 20251208 |
| Shaanxi Yanchang Petro | China national standards | MT | 918.55 | 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 |