[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product --DFBZ square wall axial fan] DFBZ series fan with low noise fan motor for direct drive; machine made square, appearance, pre-wall leave the square hole and easy installation; vertical blinds outlet with a self-heaters, in case of natural wind and rain on the outdoor indoor intrusion: a clear installation firm, small vibration, low noise, smooth running, etc. fans, is widely used in the mining industry , buildings, stadiums, animal husbandry, various entertainment wall exhaust. DFBZ-I type is adopted in the form of direct-drive motor rotor structure, DFBZ-II uses an inner rotor type motor, belt transmission structure form, DFBZ-III model with external rotor motor for direct-drive structure form. According to user requirements made corrosion proof type. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product -] cross-flow fan is a fan of small high pressure centrifugal fan to the front with a multi-blade impeller. Gas enters from the side of the outer edge of the impeller rotor exhaust fan, and then through the other side of the impeller inside the exhaust gas by the action of the blade force twice in the impeller. Under the same performance conditions, its small size, low speed. Compared with other types of low-speed fan, cross-flow fan has a higher efficiency. It can be arbitrarily selected axial width fiberglass roof fan, without affecting the gas flow state, the gas in the entire width of the rotor flow remains uniform. It is a long narrow outlet section, suitable for mounting or ventilation for cooling the flat-shaped in the various devices. _ Tianjin Jinzhong Ji exhaust fan ventilation engineering (certified) _ Beijing fans by Tianjin Jinzhong Ji HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.