Here is the translation of the provided text into English:
Some commonly used B2B websites:
Africa
1. Arab City http://www.arabbuild.net/
2. Africa Trade Network www.africatrade.co.za
3. Egypt Trade Network http://www.egtrade.com/
4. Africa Business and Economic Information Network http://mbendi.com.za/
http://www.serraintl.com/, SERRAINTL Trade and Transportation Network
http://www.tradezone.net/, Trade Zone Network
http://www.tradenet.ca/, Canada Trade Network
http://www.iebb.com/, IEBB Network
http://www.digilead.com/, DIGILEAD International Trade Network
http://www.tradeprince.com/, Trade Prince Supply and Demand Information Network
http://www.ibrc.bschool.ukans.edu, KU International Trade Center
http://www.ginfo.net/, Global Information Network
http://www.promoteone.com/, Progressive Search Engine
http://www.wtvusa.com/, Global Trade Regional Network
http://www.fita.org/, Federation of International Trade Associations Network
http://www.virtualtradelink.com/, Trade Zone Link Network
http://www.intl-trade.com/, International Trade Network
http://www.bbsad.com/, International Trade Search Network
http://www.nor-ont.ca/, Northwest Canada Information Network
http://www.cyberus.ca/~golden_bridge, Canada Golden Bridge Network
http://www.commerce.ca/, Canada Commerce Network