CHOTEST is a national high-tech enterprise integrating research, development, production and sales. Committed to the design and production of precision measuring instruments and calibration instruments.

Since the company established, we insist on technological innovation as the basis of development. With more than15 years of development, our company has accumulated rich practical experience and established a strong professional technical team in optics, mechanics, electronics and information technology, also owns a number of technology patents and software intellectual property rights. We have unique designing and manufacturing advantages in Micro-Nano motion, 3D Reconstruction of Micro-Nano measurement, 3D Form and Surface Analysis of Micro-Nano measurement, Large-scale 3D Measurement, Precision Sensing Probe, Control & of Glass-Scale and Guide Rail etc. That is why we have ability to provide our customers with professional precision measurement solution from nano meter to hundred meter.