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At this point, all issues regarding your design should be resolved and you should not have any issues unless otherwise contacted by JLCPCB or the delivery party. Now you just wait for your board to come in!
Here are also some documents which illustrate why we use JLCPCB and why JLCPCB standards are reliable, allowing us to order comfortably.
[add documents/links]Feel free to also search up standards and requirements JLCPCB has for ordering boards from them. You can easily find their pages and this information online if you are interested in learning more.