1.ARD cast-iron counter weight filler follows ISO7465/2007.
2.Factory has passed ISO9001:2008
3.Our products are often exported to Mideast,Southeast Asia,South America,North America,Europe etc.
4.We are supplier of HITACHI,OTIS,SANYO,EXPRESS.
the SPEC of the counter weight is according to your requirement.
->counterweight raw material-----BARYTES