From the past few years, our firm absorbed and digested sophisticated technologies equally at home and abroad. Meanwhile, our organization staffs a group of experts devoted into the growth of Fresh air ventilation system, Fresh Air Dehumidification Systems , negative pressure and positive pressure , holtop Dehumidifier ,residential suspended heat energy recovery ventilation system . Good quality is factory' existence , Focus on customer' demand is the source of company survival and advancement, We adhere to honesty and superior faith working attitude, hunting forward towards your coming ! The product will supply to all over the world, such as Europe, America, Australia,Dubai , Portugal ,Lahore , Iraq .We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.