| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 881.77 | USD | 20251031 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.21 | USD | 20251031 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 881.97 | USD | 20251030 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.79 | USD | 20251030 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.48 | USD | 20251030 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 882.23 | USD | 20251029 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.62 | USD | 20251028 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 884.89 | USD | 20251028 |