... 4.various color nylon coated Spiral wire used for loose leaf book binding All of our products meet the requirements of ... binding for notebook,album,periodical,calendar,staionery ect.we can supply you with defferent packing style:in white box,color box ... area,Shipai Town, Dongguan City, a professional production of loose-leaf binding equipment manufacturers. And all our products have passed ISO9001 ...