... 2.Optimized Mix Status 3.Manual/Automatic Discharge 3.Automatic PVC Powder Mixer Machine [Fully Automatic PVC Powder Hot/Cool Mixer Machine ... The existing primary products cover SJSZ series cone (ultra-cone)-shaped twin-screw extruders, SJW series single-screw extruders, PVC-U ... pipe units, profiled bar units, PVC granulator units, SJW series single-screw extruders, 3.3 As well as these production ...