... ,office and so on.Product(We sell)Mini Alarm Clock,Metal Twin Bell Clock,Plastic Twin Bell Clock, ... Clock,Plastic Alarm Clock,Inner Bell Alarm Clock,Metal Wall Clock and Wall Clock.Main marketNorth American, ... of up to 6 months above.2.The metal shell by powder injection(After the high temperature ... Checking the alarm sound: Clear,resonant,no hoarse,no empty sound. 7.Checking the tightness of spoon: The ...