aluminium extrusion profile We are professional manufacture of Alumium products. We have got SGS, CTI and 9001 certificates. We are professional manufacture of Alumium products. We have got SGS, CTI and 9001 certificates.Product types: Window frames, door frame, curtain frame, cladding wall frames.Give me your drawing then we can produce what you wants. aluminium extrusion profile GB/T 6892-2006