| Vendor | Spec | Unit | Price | Currency | Date |
| Hubei Seven Eight Nine Chemical Co., Ltd. | China national standards | MT | 1298.24 | USD | 20251106 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 973.68 | USD | 20251106 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1030.13 | USD | 20251106 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 874.9 | USD | 20251106 |
| Shaanxi Yanchang Petroleum (Group) Co., Ltd. | China national standards | MT | 874.9 | USD | 20251106 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 874.9 | USD | 20251106 |
| Shandong Xingpeng Yongfa Chemical Co., Ltd. | China national standards | MT | 883.37 | USD | 20251106 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1246.03 | USD | 20251106 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1248.85 | USD | 20251106 |
| Beijing Yanshan Petrol-Chemical Industry Co., Ltd. | China national standards | MT | 1220.63 | USD | 20251106 |