| | Cole-Parmer®机械耦合304不锈钢泵，高头，160 GPM，208-230/460 VAC | 223 | ￥22374.00 | ￥22374.00 | | ￥22374.00 |  |
| | Masterflex® 07592-30 I / P ®洗下来的模块化数字驱动器与控制器，壁挂式20-650转，115V | 293 | ￥29300.00 | ￥29300.00 | | ￥29300.00 | |
| | ARMAFLEX TUBE 19MMX48BORE CL1 19048 2MT | 4 | ￥446.16 | ￥446.16 | | ￥446.16 | |
| | Kent Elastomer Amber Latex Rubber Tubing 804R 50' Reel Length | 6 | ￥639.90 | ￥639.90 | | ￥639.90 | |
