... ISO9001,ISO14001 approved 4.Payment terms:T/T,Paypal High quality printed circuit board Welcome to Eastwin! Our PCB ... Red,White,Yellow,Blue,BlackSilk ScreenDouble-sided or single-sided in white,yellow,black,or negativeSilk Screen ... Test,X-ray Inspection AOI TestPCB assembly processDrilling-----Exposure-----Plating-----Etaching & Stripping-----Punching-----Electrical Testing-----SMT-----Wave Soldering ...