Weichuan Milk Powder Brand Introduction Weichuan is a well-known Taiwanese food brand with a history of nearly 40 years. It was founded in 1980. Its main business covers beverages, dairy products, rice noodles, ingredients and many other categories. In the dairy field, Weiquan milk powder, as one of its products, has always been loved by consumers. Weiquan milk powder uses high-quality milk as raw material and adopts international advanced technology.