Head office in Berlin: DPR GmbH, Postfach 33 21 14, Berlin 14180, Deutschland;

tel. +49(30)7960976;  fax. +49(30)79786636; e-mail: E.RYTVINFond@web.de

Beijing office: Room 5212 Garden Hotel. No.30, Garden Eastern Road, Haidian District, Beijing, 100083 China;

tel./fax +86(10)62366114; e-mail:kangbod@gmail.com

Moscow office:  Ozerkovskaya nab., 22/24, corp.2, Moscow,  Russia 115184,

tel. +7(499)7334511; fax. +7(499)7334453; e-mail: info@supermetal.ru