Fang was traveling to New York City with eight colleagues from the Donaldson Line's Anetta. He was a seaman, more specifically, a fireman.
While it has been alleged that some or all were stowaways on the Titanic, in fact all eight boarded the Titanic at Southampton as fare-paying third class passengers. Lee Bing, Chang Chip, Choong Foo, Ling Hee, Ali Lam, Len Lam, Fang Lang and Lee Ling traveled together on the same ticket (ticket number 1601, £56 9s 11d)
Fang Lang was rescued. Encyclopedia Titanica places him in lifeboat 14.