| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.98 | USD | 20250924 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 914.76 | USD | 20250924 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 914.76 | USD | 20250923 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.98 | USD | 20250923 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.32 | USD | 20250922 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1195.4 | USD | 20250922 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 914.13 | USD | 20250922 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 956.02 | USD | 20250920 |