RFH High Power Green Laser 532nm Engraving Drilling in Glass   The Winter Olympics are drawing to a close. In this very important Olympic Games held in Beijing to the people of the whole country, many Olympians showed their different styles. This Olympic Games also broke the records of Olympic medals and gold medals. In addition to the Olympic athletes, Bing Dun Dun, the mascot of the Beijing Winter Olympics, has also been liked for its naive appearance.