For Speech Opportunity
Mr. David Zhang
Organizing Committee of WCO-2019
East Area, F11, Building 1,
Dalian Ascendas IT Park,
1 Hui Xian Yuan,
Dalian Hi-tech Industrial Zone,
LN 116025, China
Tel: 0086-18840891067
Email: david@wcocon.com   

For Exhibitor, Sponsorship and Business Development
Mr. David Zhang
Organizing Committee of WCO-2019
East Area, F11, Building 1,
Dalian Ascendas IT Park,
1 Hui Xian Yuan,
Dalian Hi-tech Industrial Zone,
LN 116025, China
Tel: 0086-18840891067
Email: david@wcocon.com