For example, many people in the United States pay close attention to nutrition content and prefer organic food, she said. Therefore, Wahaha focuses on non-sugar and low-sugar organic tea exports to the US.
She also has adopted advanced ideas and management skills she picked up from overseas trips.
Dubbed as the "iron woman" in the family-run company, Zong has a Western style of management.
She believes in a system and teamwork, speaks what is on her mind and promotes employees by talent, not by age.
"I think if you want to make a well-localized company internationalized, the first thing you should do is to move both the employees' and the customers' minds from the local level to global level. It will take a long time, but it is necessary," she said.
One of the biggest trends among the first generation of Chinese billionaires is that almost 90 percent of their children study overseas, said Rupert Hoogewerf, chairman and chief researcher of the Hurun Report.
"They are looking to prepare their children to run their business for the next 20 to 30 years," Hoogewerf said. "Their children are not only learning the best of China, but also have a global outlook."
According to the Hurun Research Institute, many of them have already started to take over part of their parents' work.
With a fortune of 36 billion yuan, 31-year-old Yang Huiyan, the daughter of the founder of the property company, Country Garden (Holdings) Ltd, is the richest second-generation of billionaire, according to Hurun Research Institute.
The son of the founder of the steel giant, Highsee Iron and Steel Group Co Ltd, Li Zhaohui, 31, ranks second, with a wealth of 12 billion yuan.
Is the daughter perfect in the eyes of her father? In measurement from one to 10, Zong Qinghou gives his daughter an eight based on her performance at work.
"She is diligent," he said. "But she needs to return to Chinese culture. She is adapting now."
Chinese management is people-oriented while Western management relies on a system, he added.
"She thinks I am too tolerant, I think she is too tough."
In China, "employees have to respect you from the bottom of their heart", he said.
Year's first rainfall for Beijing