I've seen several signs. Comparatively speaking, the above picture is the best. Please use green as the standard color. Reason for selection: reasonable pattern elements, clear symbolic meaning and good visual effect. The arc at the back symbolizes the red sun rising in Ran Ran, and seedlings R emerge one by one; Below is an open book. The whole figure fully embodies the meaning of education, development and consultation. There is a book missing in the picture below, which seems to be insufficient.