... days to test the items)If there is any quality problem (defective / don't work) of the goods, it ... contact us.Service: We specialize in various types of active electronic components (Integrated IC, Integrated Circuits, Filter, Magnetic Bead, ... Relay, Sensors, and etc.) and passive electronic components (Diodes, Transistors, Capacitors, Resistors, Inductors, and etc.) for ...