KunShan ChenYi Semiconductor Co., Ltd. is located at Private Development Zone, Huaqiao Town, KunShan City, which is in the east of Shanghai, and in the west of Suzhou. Our company are only 2 km from the Huaqiao International Business City and Huaqiao Station, terminal station of Shanghai Metro Line 11, Transport facilities, Booming Economy, Fast communication and Geographical advantages.

     Our company is one of few manufacturers of car alternator rectifier, and our products have a number of domestic and international invention patents. Meanwhile, we are also one council of China Internal Combustion Engine Electric Machinery Industry Association and China Power and Electronic Association, and private high-tech enterprises with Production, Research and Development. Our Reliability laboratory have full facilities, such as thermal cycling load test platform, high temperature reverse voltage AC test sets, humidity and heat test platform, high and low temperature tester, etc.

    The company has a number of professional team who specialized in semiconductor design and manufacturing, including 3 experts in the field of domestic automobile industry, electrical appliances, electrical and electronic components industry, as our long term technical consultants, and 11 senior engineers. Moreover, we cooperate with ShenYang University to built a power semiconductor, auto rectifier and other relevant professional undergraduate, graduate teaching practice, the research base, for sharing research results.

    We have 2 sets of automatic production lines for the vehicle matching the vehicle Rectifier, annual output of Press fit diode up to 36 million pieces. The quality of Silicon diode (AUTO CELL) for motor vehicle after-sales market and silicon avalanche rectifier diodes (TVS CELL) is in the domestic leading level, annual production capacity of 60 million, accounting for more than 60% of the domestic market share.

Our main products are:
25A ~ 60A    Automotive silicon rectifier diode;
25A ~ 60A    Automotive silicon avalanche rectifier diode 
25A ~ 60A    Automotive silicon rectifier diode (AUTO CELL);
30A ~ 50A    Automotive silicon avalanche diode (TVS CELL);
12A ~ 600A   Power diode; DO4,DO5,DO8,DO9

SOT227，TO244，D67 package module with FRED,SKY,IGBT,SiC chips.
25A ~ 330A   Thyristor diodes  TO48,TO65,TO94,TO93
5A            Diodes Trios

Goal: To become one of the largest production base for auto rectifier diode by 2015, to produce press fit diode up to 150 million pieces annually, silicon rectifier diode up to 100 million pieces annually, power diode and the module 10 million pieces annually.