1997 and 1998 introduced iced black tea, green tea and oolong tea.

From 65438 to 0978, Chinese mainland implemented the policy of reform and opening up. Seeing the market prospect, the Wei brothers decided to investigate and invest. Since then, the four brothers have embarked on the road of entrepreneurship. At the initial stage of the group's business, it successively invested and set up factories in Beijing, Inner Mongolia, Jinan and other regions, and launched well-known products such as "Top Good Sesame Oil" and "Kanglai Egg Crispy Roll". However, due to the low level of domestic consumption at that time, these products were "applauded but not sold", which once made the company's business investment in the mainland in trouble. Tianjin Economic Development Zone was selected as the first production base of Master Kong. Subsequently, "Master Kong" successively set up production bases in Guangzhou, Hangzhou, Wuhan, Chongqing, Xi, Shenyang and other places, and developed from convenience food business to many business fields including cake business and beverage business. Is currently the world's largest producer of instant noodles. Today, "Master Kong" series products are not only sold in China, but also exported to the United States, Canada, Singapore, Western Europe and Russia. "Master Kong" pure water, green tea, oolong tea, fruit juice drinks, eight-treasure porridge, "3+2" sandwich biscuits, rice cakes and other products are also among the best in domestic similar products.