... 6. All specifications can be customized Shenzhen Gold Printing Culture Co., Ltd. Products : Hardcover/Softcover/ Children board books Magazine, Brochure, Catalogues, Flyers ... ,perforating, etc.Binding : Saddle stitching, Sewing, Perfect , Spiral stitching, PaperbacksCasewrap, Dust Jacket, Hardcover, butterfly-fold, etc.MOQ : As per products and ...