In order to best meet client's needs, all of our operations are strictly performed in line with our motto "High Quality, Competitive Price, Fast Service" for air to air wheel type heat exchanger, VRF systems , Ventilation System heat recovery core , hospital ventilation system ,air conditioning syestem . Welcome to post your sample and color ring to let us produce according to your specification.Welcome your inquiry! Looking forward to building long-term cooperation with you! The product will supply to all over the world, such as Europe, America, Australia,Malta , Manila ,Germany , Guatemala .Business philosophy: Take the customer as the Center, take the quality as the life, integrity, responsibility, focus, innovation.We will provide professional, quality in return for the trust of customers, with most major global suppliers,all of our employees will work together and move forward together.