DüsseldorfPostcon NRW, a competitor of Deutsche Post in the market for business letters, has filed for bankruptcy under self-administration. The District Court of Düsseldorf followed the application, Postcon announced. Operation should initially continue, the company now wants to renegotiate prices. Postcon NRW has almost 1200 employees. In North Rhine-Westphalia, the company delivers letters itself, and it also delivers to competitors.