... (min thickness 0.05mm,flatness tolerance 8I max,thickness tolerance ±1.5µm),2 stretcherleveling machines from Germany and 9 slitting ... long, weld-free coils of uniform composition and properties, and automatic electronic gauge-controls maintain consistent thickness. Copper strip and brass ... .5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.5mm. For other thickness, the trial order will be ...