Jinan Zhengfeng Weiye Machinery Co., Ltd is a professional equipment manufactures of insulating glass equipment and aluminum PVC doors and windows. The company combined to research and development, production ,sales and service , has experienced experts and fully function mechanical processing capacity. Over the year, we efforts on research and development of the window and doors field, and faced the industry to provide general assembly equipment sets of the broken bridge aluminum, two-color co-extruded and PVC steel profiles, as well as high grade aluminum trough insulating glass production lines, and in accordance with user needs customization and special equipment