STBJ, Standard Test  for Business Japanese, is for candidates who wants to work in Japanese companiese, do international business in Japanese, etc. 

The STBJ test center is in Jiangsu University Language Test Center, Block 4, Jingjiang Building,  which is located in the north-west of Jiangsu University.

After arriving at No. 1 Gate along Guyang Road, candidates can walk to the test center in about 5 minutes.