He combined the traditional roasting process of Beijing Quanjude Roast Duck, and used the present-day oven to produce crispy and tender Eight Treasures Roasted Duck and Beer Roasted Duck inside and out. 2001, he set up a marinade franchise company in Beijing to promote Old Beijing (Eight Treasures Roasted Duck and Beer Roasted Duck) to the market.

Lao Peking Roast Duck in order to let the majority of consumers to eat authentic better old Beijing duck, specifically set up a product development department, joint catering research institutions, employing well-known major cuisine masters of the product formula constantly improve, and according to the different tastes of the people around the country, modulation of the recipe for the taste of the locals, has introduced the second generation, the third generation of the eight treasures roasted duck, roasted duck beer, so that the imitators look forward to the future. Roasted duck, so that imitators can not catch up.

The old Peking duck because of its flavorful and inexpensive, nutritious health care and now baked and now sold sales, quickly popular north and south of the Yangtze River, often lined up to buy the phenomenon, but because of its production and sale of high transparency and many catering practitioners imitation, the market appeared a lot of fish-eye pearl of beer roasted duck.