We know that we only thrive if we can guarantee our combined rate competiveness and good quality advantageous at the same time for HEPA Filter, Commercial Projects , heat recovery core of AHU , wheel type heat recovery core ,air to air wheel type heat exchanger . Welcome all customers of home and abroad to visit our company, to forge a brilliant future by our cooperation. The product will supply to all over the world, such as Europe, America, Australia,Ecuador , Philippines ,Czech Republic , Bolivia .Our company now has many department, and there have more than 20 employees in our company. We set up sales shop, show room, and product warehouse. In the meantime, we registered our own brand. We've got tightened inspection for quality of product.