Dear sir: How are you? I called you just now. I wonder if you received my call. I'm Greg,from Shenzhen Golden Triangle PCB & Technologies Co.,Ltd,who learns your contact information from internet. We mainly manufacture and export in PCB copy board and PCBA OEM generation of material.This includes  PCB  fabrication, component sourcing,  PCB assembly, and PCBA testing.  I wonder if our products will be helpful for your business? 　　 Best regard Greg _________________________ Golden Triangle EMS & Technologies Ltd. Golden Triangle PCB & Technologies Ltd.