1.Allaround guide rail clip follows ISO7465/2007. 2.Factory has passed ISO9001:2008. 3.Supplier of Hitachi,Otis,Sanyo. T1-T5 RAIL CLIPS for elevator guide rail:1.Allaround machined guide rail follows ISO7465/2007.2.Factory has passed ISO9001:20083.Our products are often exported to Mideast,Southeast Asia,South America,North America,Europe etc.4.We are supplier of HITACHI,OTIS,SANYO.