Crompton greaves, a part of the avantha group,and a conglomerate with the global footprint offers wm classic. This fan has sweep of 450mm, its blade color available is dark grey, base color is broken white and number of spokes are 85. Their blades are made of aluminum. Wm classic has earned certification of iso 9001:2000 for its quality management, iso 14001: 2004 for environment management and iso 18001:1999 for occupation health and safety assessment series. These fans are applied in various sectors ---the domestic fans catering to households and offices all over india.