Our headquarter is in Changzhou, China. We provide a total solution to the global ATE industry with high-quality, fast-delivery, and cost-effective ATE Boards. We design and manufacture Probe Cards for wafer sort and Load Boards for final test.

Our team has more than 30 years of experience serving the global ATE industry. Zero One Semiconductor has more than 300 employees of whom more than 100 are designers. Our business centers are located all over the world: Changzhou, Hong Kong, Singapore and the Bay Area & Texas USA, etc. Design centers are located in Changzhou, Xi‘an, Shenzhen and Shanghai. We have technical support and repair service in Shanghai, Singapore, Japan, Taiwan, Hong Kong, the Bay Area and Texas USA. Our manufacturing factory is located in Zhuhai.