custom-made is welcome , we can produce according to your demands with low price and high quality .

Mechanical cipher combination , the open rate is only
Mechanism-armoured protection , multi-point safety system installation
From acid-wash , phosphide, passivation to surface electrostatic spray , the products completely is accord with GB10409-2001 State standard . It is anticorrosive and durable .
Vibration alarm , remote-distance wireless alarm, phone & mobile phone online alarm , all warning systems for choice