Sunlon sign Posted on June 26, 2015 by admin Sunlon sign Sign - Symbol - Watermark - Trademark - Company logo. The below image is of the Sunlon sign showing the sign by itself or the logo including the brand name of the relevant organization. Sunlon sign Tags: sunlon sign, sunlon sign brand, sunlon sign logo, sunlon sign logos, sunlon sign sign, sunlon sign symbol, sunlon sign trademark