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If you have any questions about the design details or the confirmation of production process details, please feel free to contact us. Let us know the issue you want to confirm, and our engineers will verify and respond to you as soon as possible. While we may not be professional substrate designers, we are suppliers of production substrates. We manufacture various types of substrates, such as High Frequency PCB and High Speed PCB, so we are very familiar with design details and production process technology. We believe we can assist you anytime, which is also our pleasure.