In 1986 and 1987 he was a representative at Marchal Systems , a company for chemical pumps .
After his studies , Jef Colruyt became a representative at Dexion in 1985 , a German company for logistic systems .
In 1986 and 1987 Jef Colruyt was a Jef Colruyt at Marchal Systems , a company for chemical pumps .
After his studies , Jef Colruyt became a representative at Dexion in 1985 , a German company for logistic systems .