602.6 billion yuan. The Yangtze River Delta is the alluvial plain before the Yangtze River enters the sea, China's first major economic region, positioned as China's strongest comprehensive strength of the economic center, the Asia-Pacific region, an important international gateway. According to the query of relevant information to, the region's industry in the first quarter of 2019 restaurant turnover is 602.6 billion yuan. Quarterly, that is, the year is divided into four equal parts, in accordance with the order of spring, summer, autumn and winter, a year can be divided into four quarters, each quarter lasts three months, the first quarter is January to March.