? When a fire occurs, the internal electric actuator opens the air, temperature sense smoke or manual fire alarm will open, positive pressure blower tower roof open automatically, for blowing pressurized air shaft, front room stairs outlet will be a steady stream of pressurized air through the front chamber, the front chamber to maintain a positive pressure to ensure that smoke does not spread in the region, while giving space to escape. When the temperature is higher than 280 ° C person has no possibility of escape, the internal fuse will blow, air is automatically shut down to prevent the fire from spreading. Dezhou Resources Air Conditioning Equipment Co., Ltd. has a complete and scientific quality management system, the integrity, strength and quality of products recognized by the industry factory. Today, Air Conditioning Equipment Co., Ltd., China Resources Dezhou full use of its advantages of corporate human resources, technology, technology, raw materials, management and other aspects, through continuous painstaking research, has successfully developed and produced dozens of ventilation series, hundreds of models, The developed high-tech equipment, product performance and stability, is one of today's leading international ventilation equipment series. A new development, quality of survival, to be effective management of the enterprise's purpose; to provide users with high-quality products, service, and strive to advanced, economical, practical and reliable products and services to meet user demand for the goal. We sincerely welcome the community and my company for a wide range of economic and technical cooperation, and strive to create a better future.