Closed powder supply center
Closed powder supply center advantage：
1. When changing color, vacuum suction should be used to clean the powder in the powder box to avoid powder lifting;
2. When changing color, automatically clean the powder tube of spray gun and recycle the pipe;
3. It can be equipped with super Shenbo powder screen;
4. Automatic emptying of powder box powder;
5. Automatic adding function of new powder and configuration of light and light metering alarm device.