The pinyin abbreviation of the trademark Yichen Dudu. ycdd is the pinyin abbreviation of the trademark Yichendudu. It was registered by Shangqiu Yichenshi Baby Products Sales Co., Ltd. on September 3, 2013. It was registered and filed with the Market Supervision and Administration Bureau of Liangyuan Park, Shangqiu City. It is legal. Operating items such as cream, milk, yogurt, white prion milk, etc.