"Based on domestic market and expand abroad business" is our progress strategy for Ventilation In Buildings, ALU HEAT EXCHANGERS , Commercial Air Handling Unit , energy recovery ventilator ,crossflow heat exchanger . We're devoted to supply skilled purification technology and options for you personally! The product will supply to all over the world, such as Europe, America, Australia,Russia , US ,Cairo , European .Products have been exported to Asia, Mid-east,European and Germany market. Our company has constantly been able to update the products performance and safety to meet the markets and strive to be top A on stable quality and sincere service. If you have the honor to do business with our company. we will definitely do our very best to support your business in China.