fr^A[ ftt trT t+* ffi IfSfH r4sFTo whom it moy concern

Ero's Multiloterotion svstem in BeUing Copitol Internotionol Airport, Chino

Beijing Copitol Internotionol Airport held o competitive tender in April 2006for on ASMGCS which resulted in o controct oword in October 2006 toPork Air Systems os the successful bidder.

The MLAT system designed os port of the winning tender response of PorkAir Systems wos provided by Ero using their well proven ond robust MSStechnology.

The specific requirements for the MLAT system of Beijing CopitolInternotionol Airport were very stringenf ond demonding in terms ofoccurocy, coveroge ond redundoncy ond the solution design deliveredby Ero met the requiremenfs odmirobly, ond in mony coses exceededthem os well. Due to the complexity of the oirport, the delivered systemhos 26 remote stotions oround the oirport thot delivers MLAT doto to theASMGCS in the tower - the implementotion of this system hos led to onoticeoble increose of troffic flow on the oirports surfoces.

During the project delivery, the MSS of Ero possed Foctory AcceptonceTesting ond ullimotely possed Site Acceptonce Testing ond becomeoperotionol in Morch 2008.

Ero is recognized to be the world's leoder in MLAT technology ond olso orelioble ond communicotive portner. The Ero technicions who instolledthe system ond troined the stoff of Beijing were of o very high colibre ondullimotely, the project wos delivered on time ond within budget.

lf you need ony further informotion, pleose don't hesitofe to contoct me.

Zeng SihongDirectorBEIJING AIRSPACE AND TERMINALRECONSTRUCTION PROJECT COMMANDING OFFICE

t (8') t-/naNDING OFFICE /

Office Phone: +86 1064592508