Dear Sir or Madam：

Hope this email finds you well.
I'm Kophi , the PCB and PCBA  factory in China. please find the attachment we have done , hope you will be interested.
We offer a full range of pcb , component procurement , pcb assembly, box-buid , testing , cables and accessories services.
For more information of our products, please contact us. We would like to send you samples and quotes based on your requirements.

Look forward to hearing back from you.

Best Regards,
Kophi Chan
Leadsintec Technology Co., Ltd