Zheng Renxi, the founder of Wuxi Yiyang, joined the world’s largest probe card manufacturer in 1995. With over 30 years of experience in the probe card industry, Wuxi Yiyang Semiconductor, a company established in Jiangsu,specializes in the mass production of MEMS probe cards,It is also one of the few companies in the world that can achieve a probe card pitch of 18um.

Wuxi Yiyang is an innovative technology company specializing in the research, development, and production of probe cards (including cantilever, vertical, and MEMS probe cards), IC substrates, IC burn-in test systems, and other related products. The company also develops its own production equipment and fixtures, providing comprehensive testing solutions. Yiyang serves China’s IC design, manufacturing, packaging, and testing industries.