| Vendor | Spec | Unit | Price | Currency | Date | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 895.27 | USD | 20251024 | 
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 902.32 | USD | 20251024 | 
| Wanhua Chemical Group Co., Ltd. | China national standards | MT | 930.52 | USD | 20251024 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 902.32 | USD | 20251024 | 
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 895.27 | USD | 20251024 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 | 
| Lihuayi 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 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 1244.92 | USD | 20251024 | 
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |