Zhoujiakou beef. Zhoujiakou beef is subordinate to Henan Wan Guo Yuan, Wan Guo Yuan main supermarket chain, Henan Zhoujiakou beef is authentic. Zhoujiakou beef is a local brand of Zhoukou developed in recent years, the market is mainly in Henan Zhoukou, in the scale of production, the scope of the market, the source of raw materials and processing technology is better.