| Vendor | Spec | Unit | Price | Currency | Date |
| Shandong Chambroad Petrochemicals Co., Ltd. | China national standards | MT | 1068.83 | USD | 20250922 |
| Huizhou Jincheng Petrochemical Equipment Engineering Co., Ltd. | China national standards | MT | 1096.95 | USD | 20250922 |
| Shandong Zhihengda Import and Export Co., Ltd. | China national standards | MT | 970.38 | USD | 20250922 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 1061.47 | USD | 20250920 |
| Shandong Langcheng Chemical Co., Ltd. | China national standards | MT | 970.08 | USD | 20250920 |
| China Petroleum and Chemical Corporation Tianjin Branch | China national standards | MT | 843.55 | USD | 20250920 |
| China National Petroleum Corporation Lanzhou Petrochemical Branch | China national standards | MT | 843.55 | USD | 20250920 |
| Shandong Dongming Petroche Mical Group Co., Ltd. | China national standards | MT | 1869.87 | USD | 20250920 |
| China Petroleum and Chemical Corporation Jingmen Branch | China national standards | MT | 1096.61 | USD | 20250920 |
| SINOPEC Qingdao Petrochemical Co., Ltd. | China national standards | MT | 1096.61 | USD | 20250920 |