... board, etc. per your requirements.Paper weight:For cover: 300gsm, 350gsm, 400gsm white or gray back ... offset printing, panton color.Binding methord:Hard case binding, board book binding, two rounded corners ... guarantees the very high quality board books in both printings and bindings for you.Our stocks ... stitching line-1 hardcase book production line-3 automatic diecutting machines-2 semi-automatic ...