Sumipro is also your partner in optics about polygon concerns. We can provide exclusive polygons with astounding accuracy. The accuracy is roundtable 40 Nanometer, and a angle accuracy of 0.2 arcsecond. We are also capable of reproducing this type of products within 3 nanometer.

A example of this stunning work of engineering is our diamond-shaped aluminium cone, see the picture below.

Diamond-shape aluminium