Six walnuts. Six Walnuts are products of Yangyuan Zhihui, which is a brand protected by official website certification law, so six Walnuts are authentic. Yangyuan Zhihui, founded in 1997, is a pioneer enterprise of walnut milk beverage in China. For more than ten years, the company has unswervingly followed the professional development path of "focusing on walnut drinks" and achieved rapid development through the three-step development path of "technological innovation, brand innovation and category innovation". It is the largest walnut beverage enterprise in China and the largest vegetable protein beverage enterprise in China.