how are you?we produce oyster mushroom 2,000 ton/yearOur mushroom not use chemicals, So it is safeour mushrooms that exported to the United States recently has a good responseTherefore, we can supply our fresh mushrooms everywhere with good price when we cultivate mushroom , we use cotto seed meal, beet pulp, sawdust we purchase them with association of Korea oyster mushroom(AKOM) if anyone suply material to AKOM, please contact meI am a president of AKOM