| Vendor | Spec | Unit | Price | Currency | Date |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1197.64 | USD | 20251020 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 890.48 | USD | 20251020 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 916.15 | USD | 20251018 |
| 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 | 20251018 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1198.04 | 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 | 915.91 | USD | 20251016 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 908.86 | USD | 20251016 |