... 50 years.Government institute and company,w/ certificate of Guinness World Records. Traditional Huge Color Lantern 24.5m High with ... 50 years.Government institute and company,w/ certificate of Guinness World Records. MaterialSteel or bamboo skin frame, color silk outside, ... , you would have ever seen our color lantern at Shanghai World Expo 2010, China International Cultural Industry Fair in 2010 & ...