window lock 1)material: aluminum , plastic 2)finish: powder coated 3)100000 times test 4)OEM, Design, Buyer label offered. Crescent lock easy for storage, is the latest productGood 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) ...