... years design experice 1.The characteristic of OEM high quality briefcase with alarm : Aluminum case use aluminum sheet or ... shockproof ,damp-proof. 2. OEM high quality briefcase with alarm : Item OEM high quality briefcase with alarmPanel TypeAluminum plateInsert material 3.0 mm ... ,sponge,velvet,flocked fabric,ash rubber Lock type available:number lock,key lock,padlock Coner type available:Round coner, ...