Well-run equipment, specialist income crew, and better after-sales services; We're also a unified major family, anyone stay with the organization value "unification, determination, tolerance" for Heat recovery units, negative pressure airflow , Holtop Industrial AHU , ERV ,ventilation system for hospital . We glance forward to giving you with our solutions while in the in the vicinity of future, and you will come across our quotation may be very affordable and the top quality of our merchandise is extremely outstanding! The product will supply to all over the world, such as Europe, America, Australia,Macedonia , Czech republic ,UK , Russia .The quality of our merchandise is equal to OEM's quality, because our core parts are the same with OEM supplier. The above items have passed professional certification, and we not only can produce OEM-standard items but we also accept Customized Merchandise order.