Rich Year farm was established in 1966 in Nantou Taiwan. The company owner Zheng, Weng-Chen learned the『edible mushroom tissue culture technique』 from Professor Chen, Da Wu in Department of Plant Pathology of National Chung Hsing University.This is how Rich Year started the products making and development. Rich Year farm mainly has been focusing on manufacturing and developing edible mushroom for the past 40 years.Rich Year is one of the biggest suppliers for the mushroom markets. The farm also provides the main ingredients for the biotechnology companies. The medicinal fungus that Rich Year is cultivating are including G. lingzhi, Agaricusblazei, Hericiumerinaceus, Pleurotusnebrodensis, White Enoki mushroom, Oyster mushroom, Jew's ear etc.