Ultra PCB
✿ Curved/special shaped PCB circuit board
✿ Surface treatment methods and processes - HASL (leaded and lead-free) immersion tin, gold plating immersion gold, oxidation mitigation (OSP)
✿ Printed fonts - the fonts printed on the surface are clear, making it easier for users to understand product functions
✿ Edge cutting - neat edge cutting, no burrs, excellent processing
