Operation

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(1)  Manufacturing and sales of signal replays, components, and parts
(2)  Other repairing work on electronic modules
(3)  Traffic signal installation
(4)  Machine and equipments assembling
(5)  Electronic modules manufacturing
(6)  Electric appliance installation
(7)  Automatic control equipment engineering
(8)  Electric appliance retail
(9)  Machine and equipments retail
(10)  Electronic supply retail
(11)  International business development

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