Product characteristic :
Knob it is an edge with one or a series of label of the common circular protrusion, disc or dial,
can be rotated or push pull, to start and to manipulate or control something. (such as radio or television).
It has plastic knob, baklite knob, aluminium knob,metal knob etc.
This series products mainly Suit for Consumer Electronics,Medical Devices,Mechanical components,Electrical equipment and products etc.