| Vendor | Spec | Unit | Price | Currency | Date |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1249.24 | USD | 20251029 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1228.07 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1157.49 | USD | 20251029 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 1199.84 | USD | 20251029 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 885.06 | USD | 20251029 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |
| Shandong Shuojia Chemical Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 882.23 | USD | 20251029 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1333.94 | USD | 20251029 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 885.06 | USD | 20251029 |