Layer: 6 layers
Material: FR-4
RoHS compliant
Immersion gold PCB

Min.line width/space:0.05mm/0.05mm(2mil/2mil) 
Min.drill hole diameter:0.25mm/10mil  
Etch tolerance:+/-0.0125mm(0.5mil)   
Exposal contraposition tolerance:+/-0.05mm(2mil)
Projective drill tolerance:+/-0.025mm(1mil) 
Max. panel size:single and double side 60cm*80cm; multilayer 50cm*70cm 
   
Surface dispose method:
Plating gold:1-5u"
Immersion gold:1-3u"
Plating pure tin:4-20u"
Immersion tin:1-5u"  
Organic Solderability Preservatives 6-13u"

We offer quotation for clients within 3 working days, and reply E-mail within 6 hours