| 类型 | Manufacturer |
|---|---|
| 网站 | https://www.ppminc.com/ |
| 电话号码 | 1-216-595-3200 |
| 地址 | 23500 Mercantile Road Cleveland OH 44122 USA |
PPM founded in 1960 by Art Bletcher designs and manufactures rugged precision electronic instruments for field laboratory and manufacturing/production test.