Yes, six walnuts are produced in Hebei. They are walnut plant protein drinks produced by Hebei Yangyuan Zhihui Beverage Co., Ltd., headquartered in Hengshui, Hebei. Walnut plant protein beverage can effectively improve brain fatigue and is suitable for students, white-collar workers and other brain users. Six walnuts are divided into sugar-free type and low-sugar type, which are widely influential brands in plant protein beverage industry.