Li Yu-lung, head of the Shanghai branch of Wang Steak, relates that one time he was astounded to see a chef use an ordinary knife to beat eggs. When Li asked him to use the eggbeater, he got up in a huff and declared: "I've got my health certificate!"
而最令上海王品店長李宇龍感到不可思議的是，有一次，他看到店裡的師傅竟然用手刀打蛋，在李宇龍要求他使用打蛋器的時候，他還理直氣壯地告訴李宇龍：「我是有健康證的。」