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Shenzhen SI Semiconductor Co., Ltd. was established in February 1988. The company is a professional power semiconductor chip and device manufacturer invested by Shenzhen SEG Group Co., Ltd., Shenzhen Xun jie Investment Co., Ltd., and Shenzhen Yuan zhi Investment Co., Ltd. In 2010, it was transformed into a joint-stock company, In August 2015 it was listed on the National Equities Exchange and Quotations.

The company has 5-inch bipolar power device chip and MOS device chip production line and a 6-inch chip production line. The company's packaging production line has the scale production capacity of various types of power devices such as TO series, SOT / SOP series. The company is currently the only power semiconductor device manufacturing company in Shenzhen with pre- and post-process production lines. Leading products such as bipolar power transistors, power MOSFETs, power diodes, LED driver ICs, and power management ICs win a high reputation in the industry and have been massive access to international market. The company has a relatively complete management system and technical strength.
To be Leading Brand of Power Semiconductor in China
To be Leading Brand of Power Semiconductor in China
It has successively passed ISO9001, ISO14001, QC080000 and ISO50001 system certifications. It is awarded city-level "enterprise technology center" unit, national "high-tech enterprise" and "national high-tech industrialization demonstration project” unit, The company has a power semiconductor device engineering laboratory.

The company has more than


Has a semiconductor device production park of


The company was founded in

Company Established
Opened the power transistor packaging production line
A 4 "power transistor chip production line was opened
It passed ISO9002 quality management system certification
Awarded "Shenzhen High-tech Enterprise"
The company passed ISO9001 quality management system certification
The company was awarded "the most competitive enterprise in Shenzhen, China"
The company's annual sales revenue exceeded 200 million yuan, the production capacity of the 4-inch production line reached 40,000 pieces per month, and the trial production of the 5-inch production line.
The company's annual sales revenue exceeded RMB 300 million; the 5-inch production line reached a design capacity of 20,000 pieces per month; passed the ISO14001 environmental assurance system certification.
The company's annual sales revenue exceeded 400 million yuan; the 5-inch production line achieved a monthly production capacity of 40,000 pieces; field-effect power transistor trial production; CMOS circuit foundry achieved mass production.
The company's sales revenue reached RMB 588 million; field-effect power transistors were produced in small batches, and QC080000 hazardous substance control system certification was completed.
The MOSFET power device industrialization project was included in the key projects of the National Development and Reform Commission; it was jointly evaluated as the first batch of national high-tech enterprises in Shenzhen by four national ministries and commissions.
The company's "MOSFET power transistor" passed new product identification.
The company's shareholding reform was successfully completed; it was awarded the "High-tech Industrialization Project Demonstration Unit" by the National Development and Reform Commission.
Won the title of "Shenzhen Top 100 Quality Enterprise".
Construction of 6-inch chip production line begins.
On August 28, the company was listed on the National Equities Exchange and Quotations.
Won the title of “2016 China's Top Five Semiconductor Power Device Enterprises” by China Semiconductor Association.
Won the "2017 Top Ten Chinese Semiconductor Power Device Enterprises".
The scientific and technological research results of the company's "VLD terminal structure series DMOS device", obtained the registration certificate through the "Shenzhen Science and Technology Innovation Commission" online announcement.
Qualification and Honor
Shenzhen Top 100 Quality Enterprise
Advanced Grassroots Party Organization
Second Prize of Guangdong Province's Enterprise Management Modernization Innovation Achievement
National Quality Management Group Activity Outstanding Enterprise