KMACH design and engineer the most cost-effective and high-performance industrialized button mushroom growing farms ,There are mainly 3 types of growing rooms:Irish curved growing rooms, constructed with arc-shaped steel structures and curved insulation walls, with growing surface of 434 m2 per room; Dutch standard growing rooms,constructed with light steel structures and insulation panels with growing surface of around 500 to 650 m2 per room; and super-sized Dutch growing room with growing surface of around 1030 m2 per room.