No matter new customer or old customer, We believe in long term and trusted relationship for Mechanical ventilation with heat recovery, Fresh air ventilation , Heat recovery units , Liquid Circulation Heat Exchangers ,Slim Ventilation . sincerity and strength ,always keep approved good quanlity ,welcome to our factoty for visit and instruction and business. The product will supply to all over the world, such as Europe, America, Australia,Palestine , Houston ,Sheffield , Ethiopia .Our well-equipped facilities and excellent quality control throughout all stages of production enable us to guarantee total customer satisfaction. If you are interested in any of our products or would like to discuss a custom order, please feel free to contact me. We are looking forward to forming successful business relationship with new clients around the world.