1.PVC/Aluminium Window 2.OEM service 3.Nice design with competitive price 4.good sealing perfomance 5.material : vinyl/pvc PVC mainly products : pvc sliding/casement window , pvc door and window , pvc doors and windows , top-hung/shutter/tilt and turn/louver/arch window, toilet pvc door , pvc plastic interior door , pvc folding doorAluminium mainly products:aluminium sliding window,aluminium ...