2010

RM8000 Scientific and technological Achievements Appraisal Meeting

Company restructuring

2009

2012

Rth-100 Scientific and Technological Achievements Appraisal Meeting

Expanding into overseas markets, Munich office was established

2011

2008

Product launch at the Great Hall of the People

2020

SED Wireless Nanjing R & D Center was established

Oath-taking rally

2007

Opening of business Division

2007

2013

Substantial breakthrough in overseas business,

The Deutsche Bahn newspaper published an account of Sundar Wireless

Bulk supply to Czech railway market

2014

2015

The sole bidder is qualified as a supplier of portable terminal equipment of Defe communications

2016

Sander has won the Deutsche Bahn Best supplier Award

Won the exclusive long-term supplier contract of the German DB railway Operator OPS project

2017

2018

Won the bid for the project of hand held terminal of Luxemburg railway and Swiss railway

2019

SED wireless became a member of China Railway Society