The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee The personal experience of Lu Zhengyao, the founder of Luckin Coffee