BELIMO-a Swiss company established in 1975, the best quality damper and control valve supplier for heating, ventilation and air conditioning applications.

SWEP-one of the world's well-known suppliers of welded heat exchangers and related products, welded heat exchangers are by far the most efficient heat transfer method. Mainly used in air conditioning, heating, industrial manufacturing and other fields.

NICOTRA GEBHARDT-a leading pioneer in the field of medium and low pressure industrial fans, products are widely used in heating, ventilation, air conditioning, refrigeration, fire protection and other fields.