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. At present there are over 300 employees in our company, we got modern office in Nanshan, Shenzhen and precision machining & assembly factory in Baoan, Shenzhen. In addition, we also built a number of professional laboratories with advanced research facilities. All products are manufactured in accordance with ISO9001, 6S standard and always provide customers with top quality products. The sales network and service outlets of our company have covered more than 30 provinces in China, in the meanwhile our overseas market is also growing fast. With more than 15 years of professional technology accumulation, we designed and manufactured White Light Interferometer SuperView W1, Laser Tracker GT series, Universal Thread Measuring Machines SJ5200 series, Universal Length Measuring Machines SJ5100 series, Laser Interferometer SJ6000, Profilometers SJ5700 series, Automated Dial Indicator Testing Machines SJ2000 series and other high-end measuring equipment. We provide high precision measurement solution from nanometer to hundred meters. Our products has been used widely in government Metrology and Quality Inspection agencies, automotive, aerospace, machinery, metallurgy, electric power, petrochemical and other industries. CHOTEST focuses on technology development & innovation of precision measurement equipment and sophisticated testing equipment with motto of Self-Discipline. Our goal is to provide high-end measuring equipment to manufacturing industry all over the world.