... Windows and DoorsModel No. XD-WD-CW012 1. 1.6mm profile, very strong construction, 40series2. CE & ISO 9001-2000 Certification3. ... Lock 2).Seven Shaped Lock 2. Seal System: Water Proofaluminium profile apply to the places .windows :school, office, meeting room ... living room ,offices ,conference rooms.ect.naional standard aluminium profile for window and door .some colours are provide for aluminium ...