SJ Semiconductor (Jiangyin) Corp.
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SJ Semiconductor (Jiangyin) Corp. - overview
Established
2014
Location
Jiangyin, Jiangsu, China
Primary Industry
Electronics
About
Established in 2014 and based in Suzhou, China, SJ Semiconductor (Jiangyin) Corp. is a chip manufacturing company that focuses on providing mid-range wafer manufacturing and testing services. It was recognized as the National High-tech Enterprise. Dong Cui, the chairman and CEO of the company, graduated from Tongji University, with 18 years of working experience in the semiconductor industry.
The company has branches located in Shanghai and Silicon Valley and 35,000 square meters of purification workshop. It acquired certifications such as the ISO45001, IATF16949, and IATF16949. In April 2026, SJ Semiconductor (Jiangyin) Corp. raised CNY 5 billion in an IPO, selling 2,5 million shares at USD 0.
0001 per share at SSE, under the ticker "688820". The company provides mid-range wafer fabrication and testing services. Its products include wafer bumping, CP test, WLCSP and SmartPoser™ technology platform. SmartPoser™ provides a 5G millimeter wave antenna chip wafer-level integrated packaging process technology.
Products can be used in smartphones, network communication, high-performance computing, data centers, and other fields. The company generates revenue by providing mid-range wafer fabrication and testing services.
Current Investors
Walden Catalyst, CDIB Capital Group, High Tech Private Equity
Primary Industry
Electronics
Sub Industries
Packaging, Integrated Circuits, Electronics, Fabless Semiconductors, Semiconductor Equipment & Testing
Website
www.sjsemi.com
Verticals
Manufacturing
Company Stage
Mature
Total Amount Raised
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