Gluten, also known as gluten flour and wheat protein powder, is currently divided into the following three brands, 1. The first-class brands in China are Zhoukou Lotus and Nanyang Tianguan. It is characterized by large capacity, high quality and relatively high price. 2. Well-known domestic brands are Hebi Tianlong, Shandong Xinrui and other big brands. It is characterized by large capacity, relatively high quality and moderate price. 3. Many domestic small brands are characterized by low quality, small output and low price. Shandong Ruiguan, Yu Meihua, High-spirited. Kangdi and Jiashuo in Henan are of good quality.