ISO 9001 certificate
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Certification / Patent
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These are certificates and patents of Seongji Industrial.
Our efforts for technology innovation and environmental protection continue.
ISO 14001 certificate
ISO 13485 certificate
CCC certificate
KS certificate
IATF (SJT)
ISO 14001 certificate (SJT)
Function module with a communication module mounted on a substrate is an electronic device and its manufacturing method
Four-pole earphone device and a control method
Circuit supplying voltage contained in the terminal
Elevator monitoring video transmitting system, and method thereof
Switch control method for a four-pole earphone device
Antenna module
Elevator monitoring system, and method thereof for controlling a focus of transmitting light
Covering removal machine for electric wire
Wire cutting and armor removal apparatus of wire treatment device
Soldering apparatus of wire treatment device
Coking device for leading wire connection of electricity electron device
Disposable oxygen mask
USB hub can multi-charge mobile equipment
Apparatus for forming metal line pattern of touch screen (SJT)
Input apparatus for one body type touch screen comprising window (SJT)
Touch screen device (SJT)
Touch Screen Panel having minute pattern structure and Manufacturing Method of the same (SJT)
Several patents related to TV function modules & digital door-lock