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 company. Sunlon sign Sunlon sign Tags: sunlon sign, sunlon sign brand, sunlon sign logo, sunlon sign logos, sunlon sign sign, sunlon sign symbol, sunlon sign trademark