1)material: aluminum, POM 2)finish: powder coated 3)50000 times test 4)OEM, Desig service, Buyer label offered Good quality, Reliable supplier, Competitive Price, Warm service,Prompt delivery, Window hardware, window accessory, window handle,window hinge, window lock, door handle. 1)application scope: UPVC&Aluminum window 2)material: handle(aluminum alloy) base(plastic ) other accssory(iron) 3) ...