What are the nano altimeters?

Yili technology is very professional in nano-altimetry and has a lot of experience. Well-made solutions can accurately complete nano-height measurement. This company independently developed the method of spectral focusing optical measurement, and has a number of invention patents, which can achieve high-precision measurement at the nanometer level, or non-contact, which can be customized according to the measurement requirements, and also has great advantages in price.