A Unique Liangzhu Culture Jade Cong February 18, 2017 by exoticjades in Liangzhu Culture (3400 BCE– 2250 BCE) A unique Liangzhu Culture Jade Cong. Source: Liangzhu Culture, Jade Cong,H.30.5cm, W. 6cm. Share this:TwitterFacebookLike this:Like Loading...