The company's main products are aluminum foil phenolic composite duct, color steel composite duct, aluminum extrusion composite duct, GF-Ⅱ Goldwind composite duct, MG non-combustible inorganic magnesium duct, BWG water noncombustible inorganic fiberglass duct, GRC fiberglass duct, fan, muffler, fire dampers, aluminum outlet. At the same time production and sales of fire-resistant partitions, fire package, blocking material, and to undertake water, electricity, heating, air defense and other anti-exhaust fan installation business, the company pioneered send quality system certification by ISO, are widely used throughout the province. In order to better serve the market exhaust wind chassis, the company set up and installation company, to carry out integrity, credibility and achieved broad market. Htf axial fan exhaust fan, very versatile, and the air flow is fan-axis in the same direction, such as fans, air conditioning unit axial flow fan is run fan. It is called "Axial" exhaust fan, because the gas flows parallel to the fan shaft. Axial flow fans are often used in less demanding higher and the pressure of the occasion. Axial Fans fixed position and air movement. Axial fan is mainly composed by the fan impeller and casing structure is simple but very high data requirements, fire temperature exhaust fan, low maintenance, Tieling exhaust fan is provided by air-conditioning Equipment Co., Ltd. Shandong GREAT fan. Air Conditioning Equipment Co., Ltd. Shandong GREAT fan (www.greatfengji.com) is a leader in Dezhou, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customers needs. GREAT leadership in the staff warmly welcome all inquiries negotiations to create a better future GREAT.