Because there are many kinds of printed materials and the calculation methods of different kinds of quotations are very different, the printing self-service quotation system needs to support quotations of many common types of printed materials at the same time, which usually include: business cards, greeting cards, color leaflets, photo albums, express printing, envelopes, paper bags, PVC cards, envelopes, stationery, coupons, watch paper, wine labels, color stickers, spot color stickers, recipes, plastic bags, calendars and forms. For the front desk users, there is no need to download and install any software or plug-ins, and all quotations can be easily realized through the browser.