Reliable. Hunchun Great Wall Fungi Industry is reliable. Hunchun Great Wall Fungi Industry was established in March 2006. It is a comprehensive entity enterprise that integrates the development of rare edible fungi resources, the extraction of concentrated active mycelium polysaccharides, and the processing and sales of bioactive mycelium series products. Hunchun Great Wall Fungi Industry uses high-tech concentrated extraction technology to control the growth environment of biologically active mycelium and extract mycelium from 33 species of bacteria, filling the gap at home and abroad. It is the first in the world and has won four national invention patents. Therefore, it relies on Spectrum.