GBC老地址：
230 S Clark St Ste 552
Chicago, IL
60604-1406
United States
(312) 419-2853
2019/8 卖家上报了另外一个GBC地址：
116 W. Jackson Blvd Suite 109 – MB: 552
2246390072
Chicago IL 60604
2019/11/07卖家上报新地址：
Jake Christensen | ATTORNEY AT LAW
300 S. Wacker Dr. Suite 2500
Chicago, IL 60606
Direct: (312) 987.2912 | Main: (312) 360.0080 | Fax: (312) 360.9315 | www.gbc.law