| | Tisch TE-241-37，37mm纤维素纤维过滤介质，100 / pk | 8 | ￥855.00 | ￥855.00 | | ￥855.00 |  |
| | PMS Lasair III 310 C便携式粒子计数器 | 1000 | ￥100000.00 | ￥100000.00 | | ￥100000.00 | |
| | Troemner 9488 1磅5“直径W / NIST校准砝码 | 9 | ￥960.00 | ￥960.00 | | ￥960.00 | |
| | HANNA/哈纳HI93721-01铁试剂-HR | 2 | ￥285.00 | ￥285.00 | | ￥285.00 | |
| | 美国SKC 210-1001MH Pocket pump袖珍型低流量空气采样器 | 72 | ￥7248.00 | ￥7248.00 | | ￥7248.00 | |
