subject: The baking technology of lapel badges [print this page] The baking technology of lapel badges The baking technology of lapel badges
In order to motivate us to overcome self, boldly exploring the unknown, from the 1851 World Expo in London started the first, each Expo gave medals honoring outstanding projects. However, people gradually recognized way of product awards would only aggravate the competition between countries,and that was contrary to the Expo's core value system, therefore, the World Expo 1958, Brussels, Belgium, awarded the medals is the history of World Expo last of a medal
