No matter new buyer or old purchaser, We believe in long expression and trusted relationship for Ventilation Unit, air dehumidifier , heat recovery core of AHU , negative pressure isolation room ,heat wheels . We sincerely welcome friends from all around the globe to cooperate with us within the foundation of long-term mutual benefits. The product will supply to all over the world, such as Europe, America, Australia,Ecuador , The Swiss ,Montpellier , Georgia .We rely on high-quality materials, perfect design, excellent customer service and the competitive price to win the trust of many customers at home and abroad. 95%products are exported to overseas markets.