Liang Chunshan
(verify)Use this term for Chinese server梁春山
Use this term for Thai serverLiang Chunshan
Who are you: NPC at Bianjing, gives the incense needed for quest Rumors Prevent Trouble Before It Happens
Note: The guide states you must have 
Eighteen Songs of a Nomad Flute before requesting the incense
Eighteen Songs of a Nomad Flute before requesting the incenseWhere you find him:Imperial Street