1.Black, high, strength, reinforced Bakelite,

2.resistant to solvents, oils greases and other chemical agents,

3.making this knob for using on medical machines, equipment for the food and pharmaceutical industry

4.wherever hygienic, climatic and environmental factors or laws make it mandatory to use corrosion resistant magerials.

5.They are used for the modern and traditional mochinery.

our factory can manufacture all kinds of operating accessories with the high quality,of course the special sizes can be made according to customer's requirements.we are sure that we can supply you with the best quality after-sales service and the lowest prcie