Himy,the steel or ceramic balls do not polish like you are looking for they provide a luster but the biggest issue with the balls is they leave a peened finish kind of like a microscopic golf ball dimple pattern on the surface.
i personally didnt like it myself.
as mentioned the 10-12 hour walnut and rouge solution seems to provide the near chrome look we are after,the other types of media are use for deburring and light cutting.
i am looking into building my own vibratory finisher and anyone who has any links pleas let me know.
thanks
tim
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