·The ceiling air inlet window has two forms: single opening and double opening;

·ABS panel,PVC side plate blade, SUS304 center support;

·The temperature control computer can realize automatic adjustment of ventilation volume, hollow insulation, excellent thermal insulation performance;

·The single ceiling air inlet window is used for blowing air on one side, which is mostly used for nursery and temporary storage. The lying area is insulated, and the active area is blown to exchange fresh air; Double opening is usually used in wide swine houses, and both sides are blown for air exchange.