A Backward curved centrifugal fan is characterised by its cylindrical shape, several large curved blades and a conical inlet nozzle. In the example shown below, the fan rotates in a clockwise direction. As the fan rotates a pressure difference is created on the impeller blades.
FENGDA was established in 1990,covering an area of 17,000 square meters,more than 200 employs.We professionally manufacture various fans and motors,which widely used in ventilation,air condition,cooling and heating industry.
We have strong technology,specialized production facilities and advanced inspection instruments,relying on professionally R&D team,high efficiency production lines and scientific management."Low noise,high airflow volume,stable running and long lifetime" to be our strongpoint.By national detection,the technical values of noise,volume,temperature rising balance,lifetime are better than other factories.
Over the years,we have been insisting on the principle "being the leader enterprise,being the best quality,being the greastest contribution",which establish the famous brand of "FENGDA".
We have gotten CE certificate and ISO9001 Quality Management System Certification.And our products are exporting to Europe and America,Middle East,Russia etc.
Shanghai weima: SELINA @WEIMASH.COM, electrical equipment limited company is located in the international metropolis Shanghai: WWW.WEIMASH.COM,WWW.TOPAXIALFAN.COM.
The company has strong technical force and advanced production equipment, has perfect quality assurance system and first-class testing equipment, is a professional production of various types of micro motor, (fan), outer rotor axial flow fan, pipeline axial flow fan, centrifugal fan, a variety of blower, a new air change machine ventilation, ventilation equipment. Enterprises through the ISO9001 quality management system certification, ISO14001 environmental management system certification, products through the CCC, CE, VDE, RoHS certification, the outer rotor fan made in the national industrial products production license. In the fierce market competition, enterprises rely on strict scientific management, reliable quality of products around the world to win the trust of our customers.