Controller Mother Board. Founded in 2003, YaHeng Circuit Co. Ltd is one of the leading

manufacturers specializing in offering Electronic Manufacturing Services from China now over

twenty years of development from a one-man company. Our manufacturing facility now takes

up more than 190,000 square feet with 300 more workers employed. We have operated with

American UL, ISO9001, as well as IATF16949 certificates, are committed to providing

products with better quality assurance to our customers.