Gaishi Group , a joint-venture with investment in Canada , Japan and China , specializes in the processing , production , export and trade of edible mushrooms , wild herbs and agricultural products . It was originally established as Dalian Green Foods Co ., Ltd . in 1994 . Through decades of development , the group has earned a prominent reputation overseas , port advantage , and experience in production and development . Under the group are Dalian Gaishi Food Co ., Ltd . and Chengdu Gaishi Food Co ., Ltd