How To Choose High Quality Coils

How to Choose High Quality Coils

In the selection of coil, need to pay attention to its quality, some coil because the surface of the electroplated plastic layer is not strong enough to cause binding cracks.   

Coil is too thin will also appear binding is not firm and other problems.  After the coil is locked, no more pages can be added unless the coil is removed.  Double coil binding costs more than single coil, of course, the binding is better, and more durable.  

The use of double circle binding album, reading can be any page completely flat, very convenient 

reading and inquiry.