Yinqi Biotechnology, is a high-tech enterprise and a leading agricultural industrialization enterprise in Jiangsu Province. Founded in 2006 as Anhui Laisi Bioengineering Co., Ltd., it rebranded as "Hongji Yeast" in 2015.

Jonsee Biotech established in 2021. Specializing in yeast and yeast deep -processing products, the company operates large-scale beer yeast and baker's yeast deep-processing bases across Jiangsu, Anhui, Hubei, Guangxi, Henan, Hebei, Xinjiang, and other regions.

Each production line is equipped with food-grade stainless steel equipment, a central automatic control system, separation and concentration systems, spray drying systems, GMP-compliant packaging workshops, IP cleaning systems, and mixing and homogenizing systems. With a total production capacity exceeding 35,000 tons, Yinqi Biotechnology is one of the largest domestic enterprises in beer yeast deep-processing products.