February 10, 2023. Sales of Wang Jia Sha's green dumplings at the main store have been growing in double digits, with sales of up to 3 million units of six per box ranging from 30 to 48 yuan from the time they went on sale on Feb. 10, 2023, to the time they went off the market in early April 2023. Wang Jia Sha fine sand green dumplings with rare ai leaf skin - the current old Shanghai are colored with wheat green juice, only Wang Jia Sha retained the ai leaf juice coloring.