... doors, fence, screen, curtain wall, handrail,greenhouse, sunroom etc. ALUMINIUM PROFILE EXTRUSIONAPPLICATION:Construction, such as doors, windows, fence, screen, ... paper We are one of leading manufacturer specialized in aluminium door and window accessories in Ningbo, Zhejiang prov.. ... etc...Meanwhile, most of our products are export to South American, Mid-east, Arabic countries and American countries. ...