| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 868.2 | USD | 20251109 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 868.2 | USD | 20251109 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 868.2 | USD | 20251108 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 868.2 | USD | 20251108 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 868.2 | USD | 20251107 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 868.2 | USD | 20251107 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 917.24 | USD | 20251106 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.46 | USD | 20251106 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 874.9 | USD | 20251106 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 874.9 | USD | 20251106 |