Haiying Qin List of directors and agents named Haiying Qin. Found 2 results. HAIYING QIN Registered Address: 11007 LAMPLIGHTER LANE POTOMAC MD 20854 Appointed in one company. Go To Profile HAIYING QUIN Registered Address: 11007 LAMPLIGHTER LANE POTOMAC MD 20854 Appointed in one company. Go To Profile