... Machine for Curtain Wall Material CE Certification and SGS Test Main Features:1. Mainly used for milling 38 to 90 series aluminum profiles, heat insulation ... .3. Pneumatic hydraulic cylinder drives, which makes the machine move smoothly, stepless speed adsjuting is available, no creeping ... down, back and forward according to the dimension of aluminum materials.6. Large workbench, enough to mill 10 ...