| Vendor | Spec | Unit | Price | Currency | Date |
| 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 | 1244.92 | USD | 20251024 |
| SINOPEC Qingdao Refining&Chemical Co., Ltd. | China national standards | MT | 1247.74 | USD | 20251024 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1339.39 | USD | 20251024 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 1113.81 | USD | 20251024 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1170.2 | USD | 20251024 |
| Changzhou Juyun Materials Co., Ltd. | China national standards | MT | 1353.49 | USD | 20251024 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1212.5 | USD | 20251024 |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 909.37 | USD | 20251024 |