| | 美国URG-2000-30-52PC PUF | 90 | ¥9000.00 | ¥9000.00 | | ¥9000.00 |  |
| | Cole-Parmer 6680 W/9998 筛NIST可溯源校准报告 | 28 | ¥2805.00 | ¥2805.00 | | ¥2805.00 |  |
| | Cole-Parmer ML-0405-CP 日光灯面板 | 22 | ¥2211.00 | ¥2211.00 | | ¥2211.00 |  |
| | 美国Wheaton 211624 美国Wheaton滴瓶 瓶容量:30ml,每箱144个 | 18 | ¥1859.00 | ¥1859.00 | | ¥1859.00 |  |