| | NM300L 天才 制氮机 | 2758 | ￥275896.80 | ￥275896.80 | | ￥275896.80 |  |
| | 米沃奇Milwaukee MA841-米克水质/SM600（5片）备用膜 | 4 | ￥440.00 | ￥440.00 | | ￥440.00 | |
| | WHATMAN 111106聚碳酸酯（PC）膜0.2微米*47mm | 8 | ￥810.00 | ￥810.00 | | ￥810.00 | |
| | Cole-Parmer® EW-74014-12齿轮泵系统，台式数字驱动，0.316毫升/转，220 VAC | 255 | ￥25500.00 | ￥25500.00 | | ￥25500.00 | |
