1.ARD lift guide rail follow ISO7465/2007 2.Factory has passed ISO9001:2008 3.Hitachi,Otis,Sanyo's supplier Detailed Product Description 1.ARD brand Lift guide rail follow ISO7465/2007 2.Our factory has passed ISO9001:2008 3.Our products are often exported to Mideast,Southeast Asia,North America,South America,Europe etc. 4.Dimensions of Lift Guide Rail: