Siemens and Newag jointly selected as preferred bidders to supply train-sets in Poland October 15, 2010 | Europe Company News Germany-based Siemens and Poland-based Newag have been jointly selected as the preferred bidders for a PLN1.5 billion contract to supply 35 six-car train-sets to Metro Warszawskie. Under the ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password