DUBAI - Dubai ports operator DP World will invest $1.9 billion in China, according to the Twitter account of the Crown Prince of Abu Dhabi. The Twitter post did not elaborate and DP World could not immediately be reached for comment. Sheikh Mohammed bin Zayed al-Nahayan is on a three-day official visit to Beijing, during which a host of business deals have been announced between the United Arab Emirates and China. DP World has three ports in China—Qingdao, Tianjin and Yantai—according to its website.