SJ SEMI (SJSemi)

SJSemi is the first Middle-End-Of-Line (MEOL) pure play foundry equipped with Front-End-Of-Line (FEOL) manufacturing and quality system, serving global customers.

SJSemi thrives to provide high quality one-stop advanced packaging service to worldwide IC design houses to enhance customer's competitiveness.

SJSemi was founded in 2014 as a joint venture between Semiconductor Manufacturing International Corp. (SMIC) and Jiangsu Changjiang Electronics Technology Co., Ltd (JCET). The company is headquartered in Jiangyin, Jiangsu, China, with branches in Shanghai and San Jose.

 

SJSemi offers first-class Middle-End-Of-Line (MEOL) manufacturing and testing services and develop the advanced 3D Multi-Die Integration technology and solutions. The company is known its 12-inch high-density bumping, WLCSP (wafer level chip scale package) and Testing service.

 

SJSemi provides high performance advanced packaging based on silicon interposer, fan-out wafer and substrate, by utilizing bumping and RDL technologies, leveraging its advantage of front-end fab management and quality system.

 

SJSemi’s WLCSP solution providing the best service to global top chip design houses and end product customers, can meet different product application and technologies. SJSemi ships high quality and efficient chips to local and international customers, in markets such as smart phone, networking, data center, artificial intelligence and automotive industry.

 

SJSemi is backed by Walden CEL, CCB PE, Qualcomm, CMBI, Oriza Rivertown, Legend Capital, Goldstone Investment, CCIC Capital, Oriza Hua Capital, CCB Trust, Growth, Country Garden Venture, HTPE, SCGC, Jade Stone Venture, TCL Capital, and others. The company raised signed a $340M Series C+ round on Apr 04, 2023. This brings SJSemi's total funding to $970M to date. The transaction will double the company's valuation to around $2B, from SJSemi's previous $1B in Oct 2021.

 

 

  • Year founded: 2014
  • Funding Info: $970M over 4 Rounds (Latest Funding Type: Series C)
  • Yearly Revenue: NA
  • Employee Size: 1,001-5,000
  • Business Valuation: Valued at approx. $2B as of Apr 04, 2023
  • City/Town: Jiangyin
  • State: Jiangsu
  • Country: China
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