1. A high-accuracy displacement sensor is adopted for the cotton layer sampling.system is of closect-loop with its linear error<0.05%.

2. The frequency converter and reduction motor are supplied with high-quality import products, with their function being steady and reliable, maintenance being easy, |and service life being long.

3. In operating, there are digital displays on indicator, directly and clearly perceived through the senses.

4. There is the function of creep motion for reverse running, with its response speed bing quick.