1.Paper board office folder 2.Ring Shape:O-Rings ,D-Rings 3.Thickness: 1-3.5mm 4.Cheapest printing plans Brief introduction:1.100% printing factory of 20 years , have been proved by authority Bureau Veritas 2. Printing service for paper binder, hardcover, softcover book; children book, catalog, magazine, paper bag, paper box, calendar, folder, envelope, paper card, poster etc. 3. Free stock ...
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