| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.89 | USD | 20251028 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 882.07 | USD | 20251028 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.58 | USD | 20251027 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 881.76 | USD | 20251027 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 902.32 | USD | 20251026 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 909.37 | USD | 20251025 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 909.37 | USD | 20251024 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 902.32 | USD | 20251024 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1198.57 | USD | 20251023 |