Simple work, few things. Jitiaocao is a drink shop, whose main job is to mix drinks. Work is easy, there is nothing to do. Guitancao, a subsidiary of Guitancao (Shanghai) Catering Management Co., Ltd., was born in Shanghai in 2007. It is one of the top ten tea brands in China, focusing on providing healthy and delicious new drinks for young consumers. Now Jittering grass has more than 3,000 stores around the world.