Most digital ink-jet printer providers are developed from copying and printing equipment, and basically have no printing technology background and lack several key software technologies of digital printing system. 1, fully digital printing workflow software 2, integrated and unified output software 3 for printing various typesetting result formats, management software 4 for printing data resources, on-demand and variable printing production and support software 5. Remote network service software Due to the lack of the above-mentioned key technology software support, most equipment providers have to be located in the office market dominated by copying and printing. (1) offset printing: various color samples, calendars, desk calendars, packaging boxes, brochures, posters, exquisite picture books, handbags, stationery, envelopes, color boxes, advertising paper, handbags, packaging and decoration, brochures, glass and tickets. (2) Leather label: all kinds of rubber, plastic, PVC leather labels, decorative labels, zipper labels, key chains and commemorative medals. (3) Embroidery: computer silk weaves all kinds of trimming, sewing satin, plane trademarks, decorative labels and luggage belt. (4) Embossing: all kinds of clothing tags, self-adhesive stickers, bar codes, crystal plastic drops and laser anti-counterfeiting labels. (5) screen printing: screen printing ribbons, non-woven fabrics, adhesive tape trademarks, shipping marks, PVC plastic labels, and processing with supplied materials. (6) Machine printing: all kinds of ribbons, trademarks and marks. Washing, roller adhesive, special non-woven belt.