The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

CN057.11

Country / Post China (People's Rep)
Date of Issue 30 June 2011
Primary theme Engineering (Bridges)
Transportation (Rail) (Locomotive & trains)
Subject Commemorating the Opening of the Beijing-Shanghai High-Speed Railway
Width 50.0 mm
Height 30.0 mm
Denomination 1.20 CNY
Number in set 1
Layout/Format sheet of 12
Perforations 13 by 13
Stamp issuing authority State Post Bureau China National Philatelic Corporation
Printer Beijing Postage Stamp Printing House