Yantai Blue Fox AD design: commitment to brand planning, corporate image planning, graphic design and printing and media agency business, including a comprehensive advertising agency.

烟台蓝狐广告设计机构：致力于品牌策划、企业形象策划、平面设计与印刷及媒体代理业务在内的综合性广告公司。

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Blue printer: One of the four printing plates in a subtractive colour process which is to be printed in cyan ink.

蓝版：减色彩印法的四张印版之一。它需用青蓝色墨印刷。

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Reactive blue 49 is one of the important brilliant blue dyestuffs for printing with high solubility and gives bright shade.

活性蓝49具有很高的溶解性能，色光鲜艳，是一个重要的蓝色印花品种之一。

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Once upon a time not too long ago, document signage involved downloading the document, printing it off, picking up a pen with either black or blue ink and signing off at the appropriate places, scanning the document once signed, uploading it, attaching the paperwork to an email, and then finally sending off that email back in reply with your signature.

FORBES: Signed, Sealed, Delivered: How HelloSign Is Changing Electronic Document Signatures

The printing is done in stages: black outlines first, then pink for some cherry blossoms, and blue for the Hozu River running past.

BBC: The art of Japan