ChipSeek.com is owned and managed by DUOJIE ELECTRONICS (HK) LIMITED, which is founded in 2005. Since that time, we are already the distributors of IGBTs & High Voltage IGBTs, Diode Modules, Bridge Rectifier, Thyristors , Power Modules,Power Semiconductors, ADC , DAC, Memory Chips, Micro Controllers, Op Amps, Voltage Regulator, Switched Mode Power Controllers, and other Passive Components. Also we expanded our business to ABB series Fans and Industrial Control Products.