| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 909.1 | USD | 20251017 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251017 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.91 | USD | 20251016 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 908.51 | USD | 20251015 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.22 | USD | 20251014 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 915.4 | USD | 20251013 |