Comtech (Pvt.) Ltd

Comtech (Pvt.) LimitedNo:75/5, Barnes Place,
Colombo 7, Sri Lanka
Tel: Tel: (+94)11 2697692, Mobile: +94 777 350876
Fax: (+94)11 2697692
E-Mail: waltercomtech@gmail.com 
Website: http://www.srilankabusiness.com/etrade/comtech.htm

or    http://www.wbia-srilanka.org/2013/07/comtech.htm