Shape Options: Whole, Slice, Flake, Powder Whole Diameter: 2-3cm, 3-4cm, 4cm and above Flake Thick Size: 2MM. Certificate: ISO, HACCP Mushroom is one of the most popular mushrooms in the world. The shiitake mushroom produced in is rich in protein, ferrum, calcium and more than 10 kinds of other trace elements. Organic, green, nutritional and healthy are the given name of the mushroom. To have the mushroom from time to time can not only improve body immunity, but it can also play an important part in prevent and cure cancer. The shiitake mushroom is honored as one of the healthiest food in the whole world. The mushroom is dried for the convenience of transportation and longtime preservation. edible mushrooms /fungus cultivation and sales. The products we supply include all kinds of dried edible shiitake mushrooms/ edible fungus and various of dried agricultural products, etc., the company built 120,000 square meters of standardized edible fungus planting base at the foot of passed ISO9001 quality management system certification, HACCP food safety system certification