Zengzhu Xu List of directors and agents named Zengzhu Xu. Found 2 results. ZENGZHU XU Registered Address: 56 FEDERAL CT GAITHERSBURG MD 20787 Appointed in one company. Go To Profile ZENGZHU XU Registered Address: 56 FEDERAL COURT GAITHERSBURG MD 20787 Appointed in one company. Go To Profile