Cotest

Founded in 2019, CoTest Photonics (Changzhou) Test Technology Co., Ltd. focuses on the R&D, production, sales and service of optoelectronic semiconductor device testing equipment. Committed to helping users accelerate the construction of testing chains from R&D test prototyping, small-batch testing to mass production testing, providing diversified test products and solutions. The company has become a relatively comprehensive provider of optoelectronic semiconductor testing equipment and services in China, solving the "bottleneck" problem of testing equipment for the production process of optoelectronic semiconductor devices, and has become a testing partner for many leading LiDAR companies in China. The company holds over 40 core invention patents and software copyrights, and has served more than 200 customers.