Double loop wires have full range of color to choose and high speed.They are environmental protection products.

Its specification: its inner diameter from 1/4inch to 1-1/2 inch.

                         the thickness of binding books from 4.8 to 31.8mm

We have over 20 sets of double loop wire forming machines and an automatic plastic-spraying oven with a monthly output of over 100 tons, so can make sufficient inventory to meet urgent requirements.