Since established in 2002, Chotest Technology Inc. is focusing on the designing and manufacturing of precision dimensional measurement and calibration instruments. With more than decade professional technology accumulation, Chotest has accumulated rich practical experience and set up a strong team who is specialized in optics, machinery, electronics and information technology. At present, CHOTEST has more than 100 technology patents and software intellectual property rights. With competence 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 and Image processing technology, Chotest is capable to provide the customers with professional precision measurement solution in domains from Nanometer to Hectometer. Our products are widely used by public metrology labs and quality inspection workshops in the automotive, aerospace, machinery, metallurgy, power, and petrochemical industries. Chotest`s service network is covered more than 30 provinces in China, and is also focusing on the development in overseas markets like Europe and APAC. The goal of Chotest is to provide high-end dimensional measurement equipment to manufacturing industry all over the world.