Dear Madam/Sir ,Have a good day . Excuse me ,WE are a medium-sized, UL approved PCB manufacturer . Anything I can do for your businessWe mainly offer:-Fast samples(1-28L) & Series Production(1-12L)-Heavy Copper (4oz) / Thick gold plating(30u")-Rigid-Flex PCBs-Rogers 4003/4350B, Arlon (In stock)-S1600 , Teflon (In stock)-Aluminum PCBs-Technical support-Well english communicationFor more details, please free to browse our website at : *****We would be pleased if you will consider us for your RFQs .With kind regards from Shenzhen .Marko Wang Sales Engineer