Vodafone said on Friday is has renewed its partner market agreement with Belgacom Group in Belgium and Luxembourg for a further three years.The companies have been in partnership since 2003 providing a range of products and service to their customers. Under the agreement, Belgacom and Vodafone's customers will be able to roam on each other's mobile networks."We are delighted to renew our longstanding partner market agreement with Belgacom, building on more than a decade of successful collaboration," said Vodafone's chief executive of partner markets, Stefano Gastaut.RD