Corad | Corad is a low cost ATE PCB manufacturer located in mainland China, with an office in San Jose to support our US based customers. Corad makes Load Boards and Probe PCB's and other ATE PCB's as their sole and specialized market . Standard lead time from China is 10 days. Corad service more than 30 US major customers. They have been ISO 9001 qualified since 2003.