Dear How are you ? As we know from your website that your product may need PCB ,so we are writing this email to wish there is the chance to cooperate with you . We are a professional PCB/PCBA manufacturer in China and be good at doing all kinds of boards including Fr4,Rogers ,Aluminum,HDI ,rigid-flex and so on . Please give us your feedback about this promotion once available. And hope we can help you . Best regards, Amy Yang