| Vendor | Spec | Unit | Price | Currency | Date |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1154.82 | USD | 20251013 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 985.82 | USD | 20251013 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 938.8 | USD | 20251012 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 924.73 | USD | 20251012 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1245.64 | USD | 20251012 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1013.4 | USD | 20251012 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1242.82 | USD | 20251012 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 938.8 | USD | 20251012 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 928.95 | USD | 20251012 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 938.8 | USD | 20251012 |