Tasty China
585 Franklin Rd Se,
Marietta, GA 30067.
Phone 770-419-9849
After exiting I-75 at the South Marietta Pkwy (Loop),
go west 2 football fields to Franklin Rd., take a left, then
when on Franklin take an immediate left. 
On the right is small shopping center with
Tasty China.
For restaurant link:
On the Bus to Tasty China - Marietta, GA, 2008-02-19  -- mentions that Chang had left. 
'Ma La:' The key to Sichuan cooking (No date found) -- Shows Chang in the kitchen.