... ,lustrous surface,strong adhesiveness,endure abrasion and humidity, be able to bear rusting, eroding and aging.*Material:*Innocuous material which complies ... 6mm-----51mm*Range*:Notebook,album,calendar and so on. Our company specializes in producing and selling binding materials such as ... 3-hole folder, 6-hole folder, multi-hole folder and others. Since founded, we have constantly been putting forth ...