Pottery. According to official website of Zhonggong Education, the most commodities in Hemudu Phase I are pottery with carbon black and gray hard pottery, which can also be seen on animal carcasses carved with ivory products. Bulk refers to a large number of items with high value, so all the items unearthed in Hemudu Phase I are pottery. Hemudu culture refers to the ancient and colorful Neolithic culture in Ningbo, south of the lower reaches of the Yangtze River valley in China.