We not only will try our greatest to offer superb companies to just about every buyer, but also are ready to receive any suggestion offered by our shoppers for Ventilation System heat recovery core, air to air heat recovery core , air condition , 600cmh ERVs ,Air cleaner . "Change for the better!" is our slogan, which means "A better world is before us, so let's enjoy it!" Change for the better! Are you ready? The product will supply to all over the world, such as Europe, America, Australia,Norwegian , Atlanta ,Ecuador , Luxembourg .As an experienced manufacturer we also accept customized order and we could make it the same as your picture or sample specification. The main goal of our company is to live a satisfactory memory to all the customers, and establish a long term business relationship with buyers and users all over the world.