3A认证 | AAA级企业信用评级Zui全介绍（建议收藏） - 知乎
企业3A认证也就是AAA认证，是一种“信用评级”，是企业信用标准化领域中一个十分重要的认证。 在我国企业信用评估的信用等级采用国际通行的"四等九级制"评级等级，具体等级分为：AAA、AA、A、BBB、BB、B、CCC、CC、C，3A认证是其中等级高的认证，表示企业经营状况良好，发展潜力大，盈利能力强，具有很强的履行特定契约或者承诺的能力。 企业信用等级分为AAA、AA、A、B、C共五级，AAA级为高等级。 等级评价分为初审和复审，初审、复审证书有效期 …
About the 3-A Symbol
Introduced for commercial use in 1956, the 3-A Symbol is a registered mark used to identify equipment that meets 3-A Sanitary Standards for design and fabrication.
什么是3A信用等级证书?企业为什么要申请3A信用等级认证？ - 知乎
这个证书就是企业3a信用证书，其最直接的作用是在招投标、政府采购、工程建设中，作为企业的资信证明，帮助投标人获得竞标加分的优势。 3A证书有哪些
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Home [my.3-a.org]
We oversee the 3-A Symbol Authorization program and other voluntary certificates to help affirm the integrity of hygienic processing equipment and systems and provide extensive Knowledge Resources to support the training and education needs in the rapidly changing food, beverage, and pharmaceutical industries. Get Involved!
3-A SSI
The Gold Standard of hygienic food equipment design.
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D1 Series Signs - Destination - Traffic Sign
D1-3a Destinations and Distances (Arrows) (3 directions) png pdf* layout MUTCD D1-3b Bicycle Destinations (Arrows) (3 directions) png pdf* layout MUTCD ... Linked sign layout files in PDF format provided courtesy of FHWA's MUTCD website Unauthorized use of text, images, and other content is strictly prohibited. ...
Manual of Traffic Signs - R8 Series Signs
R8-3a No Parking (word message) png pdf layout MUTCD R8-3bP Except (Days) (plaque) png pdf* layout MUTCD R8-3cP On Pavement (plaque) png pdf layout MUTCD ... Linked sign layout files in PDF format provided courtesy of FHWA's MUTCD website Unauthorized use of text, images, and other content is strictly prohibited. ...
Manual of Traffic Signs - R10 Series Signs
R10-3a Push Button To Cross Street Wait For Walk Signal png pdf layout MUTCD R10-3b Pedestrian Signal Information (Symbol) png pdf layout MUTCD R10-3c ... Linked sign layout files in PDF format provided courtesy of FHWA's MUTCD website Unauthorized use of text, images, and other content is strictly prohibited. ...