our factory can manufacture all kinds of operating accessories with the high quality,the different size can be made according to your requirements.special size can be made by your requirements.

Black, high, strength, reinforced Bakelite, resistant to solvents, oils greases and other chemical agents, making this knob for using on medical machines, equipment for the food and pharmaceutical industry and wherever hygienic, climatic and environmental factors or laws make it mandatory to use corrosion resistant magerials.