Innovation, excellent and reliability are the core values of our firm. These principles today more than ever form the basis of our success as an internationally active mid-size corporation for Air Conditioning System, heat recuperative ventilation system , indoor air quality control system , Keywords B ,negative pressure room . As we are moving forward, we keep an eye on our ever-expanding product range and make improvement to our services. The product will supply to all over the world, such as Europe, America, Australia,Thailand , Turin ,Adelaide , Mexico .We rely on high-quality materials, perfect design, excellent customer service and the competitive price to win the trust of many customers at home and abroad. 95%products are exported to overseas markets.