... : Al 6063-T5 Surface treatment: anodizing glass hinge:White Aluminum protective film 40-45 mm 4.7 × 38 ... : anodizing Our factory produce: aluminium hinge,handle,lock for window and door,window and door hardware,furniture hardware,machine hardware,aluminium product,aluminium profile,tower bolt ... lock,aluminium handle lock,zinc handle lock,crescent lock,zinc hinge