Why can some manufacturers of complete sets of equipment produce flowcharts, layout diagrams, etc., but they are just plain drawings without any official stamps?
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Why can some manufacturers of complete sets of equipment produce flowcharts, layout diagrams, etc., but only in draft form – without the ability to produce final drawings or add stamps?
This may be due to different institutional and legal requirements. In some **or regions, only certified engineers or specific institutions are able to issue legally valid blueprints, which must be stamped. Flowcharts, layout diagrams, etc. are likely merely tools for assisting in explanation and design; they have no legal binding force, so anyone can create them, but they cannot be stamped. Furthermore, equipment manufacturers may be more focused on manufacturing and selling equipment rather than providing legally valid blueprints, so they may not have the authority to issue stamps. .
Equipment manufacturers are technology providers; you can think of them as those who supply process packages. Therefore, they do not provide blueprints, only technical solutions.
Sealing requires certain qualifications; the ability to produce drawings does not necessarily mean having design qualifications, and without those qualifications, sealing is not possible
No design qualifications. Currently, most equipment manufacturing companies have design departments capable of carrying out the design of pressure vessels; however, due to the lack of supporting expertise in other fields, they can only obtain qualifications for designing pressure vessels, but not for designing complete facilities or projects.
What does this have to do with systems and laws? Can capitalism really produce such results?
A complete equipment manufacturer is not necessarily a technology provider; it may also act as a contract manufacturer. Whether blueprints and design qualifications are provided depends on that, and has nothing to do with the technical solutions or process packages.