| Vendor | Spec | Unit | Price | Currency | Date |
| China Petroleum and Chemical Co., Ltd., QILU Branch | China national standards | MT | 1230.8 | USD | 20251211 |
| Lihuayi Group Co., Ltd. | China national standards | MT | 919.56 | USD | 20251211 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 1174.21 | USD | 20251211 |
| China National Petroleum Corporation Jinzhou Petrochemical Branch | China national standards | MT | 1216.65 | USD | 20251211 |
| Sinopec Northeast Natural Gas Sales Co., Ltd. | China national standards | MT | 1216.65 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1195.43 | USD | 20251211 |
| Shandong Hongyang Chemical Co., Ltd. | China national standards | MT | 1195.43 | USD | 20251211 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 898.34 | USD | 20251211 |
| Shandong Yuhuang Chemical Co., Ltd. | China national standards | MT | 898.34 | USD | 20251211 |
| Lihuayi Weiyuan Chemical Co., Ltd. | China national standards | MT | 1329.82 | USD | 20251211 |