1)material: aluminum, zinc 2)finish: powder coated 3)50000 times test 4)OEM, ... , Reliable supplier, Competitive Price, Warm service,Prompt delivery, Window hardware, window accessory, window handle,window hinge, window lock, door handle,crescent lock. 1)application scope ... : UPVC & Aluminum window 2)customer's stypes and LOGO available 3)material: handle( ...