... . Our Trademark: SUNNYMain parts: 1. Electric Parts and Control Parts2. PLC, Frequency Converter, Touch Screen, Motor: .3. Photoelectric Switch4. Vacuum GeneratorAbove ... , low or high.contact information:Company Name: JINAN SUNNY MACHINERY CO.,LTD.ADD.:zone 2,Yaoshan industrial park,Tianqiao Area,Jinan,Shandong ...