wanjia good exterior accordion doors 1.top quality with competitive price 2.ISO 9001:2000 3.8 year experience wanjia good exterior accordion doors 1.Product Descrtption:(1). Aluminum door profile:· aluminium alloy, 6063-T5, can be thermal break· wall thickness: 1.2 , 1.4mm, can be customized· surface treatment: anodized, electrophoresis, powder coated· color can be customized.(2). Aluminum door ...