| | Justrite Drum Vent NON-METALLIC 08006 | 8 | ￥859.90 | ￥859.90 | | ￥859.90 |  |
| | Whatman BA85硝酸纤维素膜10401003 BA85 300MMx3M 1/PK SH.UPPER，尺寸：300MMx3M 孔径0.45um | 20 | ￥2021.00 | ￥2021.00 | | ￥2021.00 | |
| | 华瑞SP-1003-2气体报警控制器 产品型号：SP-1003-2 | 24 | ￥2470.00 | ￥2470.00 | | ￥2470.00 | |
| | Millipore SLLG013SL 针头式过滤器 | 29 | ￥2950.00 | ￥2950.00 | | ￥2950.00 | |
