1,widely use for window and door 2,different surface treatemts 3,good quality and service 4,ISO9001,ISO14001 1. Surface ... &door & Curtain wall, etc6. Features:Environmental protection, Energy-saving, High strength, Heat resistance, Noise reduction, Non–corrosive, Firm and durable ... for choice4)OEM is welcome If you're interested in it,pls don't hesitate to contact me. aluminium extruded profile for ...