Zhejiang Yangyi electromechanical Co., Ltd., founded in 2007, is a professional production enterprise integrating R & D, manufacturing and sales of vacuum pump, recycling machine and refrigeration tools. It has a team engaged in research and development for 20 years The professional team of R & D and production of vacuum pump and recycling machine adheres to the enterprise tenet of "quality for survival and technological innovation for development" and the principle of "careful manufacturing and quality for excellence"