How Dri-Air Industries’ PDII Became a Best Seller
![](https://dri-air.com/wp-content/uploads/2016/04/portable_hopper_1.jpg)
It all started when Charlie Sears, President of Dri-Air Industries in East Windsor, CT, visited a customer many years ago. A long-time user of Dri-Air plastics dryers, the customer had a problem. The customer operated an automated production facility with several employees assembling ballpoint pens at a rotary table supported by a single plastics injection molding machine. The pen was…