GAD Ventilation And Cooling Equipment Company is a collection of negative pressure fan, environmental protection air conditioner, cooling pads, mobile air conditioning design for environmental protection research and development, manufacture, sales and installation of large-scale professional manufacturer, has passed ISO9001 and ISO14001 system certification. Company covers an area of more than 20,000 square meters, employs more than 200 people, all kinds of professional and technical personnel more than 30 employees. Now have environmental air conditioner production line 4, mobile machine production line 3, line 4 negative pressure fan, cool wet curtain production line 3. I company has been adhering to "integrity pragmatic" of concept, insisted "customer first, quality for first" of purposes, constantly develop innovation, and combined international advanced technology, production management experience, for global customer Institute made most satisfaction of ventilation cooling equipment products. by years constantly innovation and efforts, I company production of "negative pressure wind machine", and "environmental air conditioning", and "mobile type environmental air conditioning" "standard type wet curtain", and "black side strengthening type wet curtain", and "color type wet curtain", and "environmental type wet curtain", products, products