1.ARD elevator parts follow ISO7465/2007 2.Factory has passed ISO9001:2008 3.counter weight filler Detailed Product Description 1.ARD brand elevator parts 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.counter weight filler 5.We can produce as your requirements or sizes.