Steel grating:

The steel grating is strictly manufacturing according to Chinese standard YB/T4001.1-2007 、American standard ANSI/NAAMM(MBG531-88 )and  The material of all the bearing bars and cross bars have a high quality. The first-class staff and production equipment assure the high quality of steel grating. We can also be in accordance with the requirements of customers.

• Steel Grating Standard	Steel Material Standard	Hot-dip Galvanized Standard
  China：YB/T4001.1-2007	China：GB700-2006	China：GB/T13912-2002
  America：ANSI/NAAMM	America：ASTM(A36)	America：ASTM(A123)
  Englang：BS4592	Englang：BS4360(43A)	Englang：BS729
  Australia：AS1657	Australia：AS3697	Australia：AS1650

  Definition of Steel Grating: Steel grating is a kind of open steel member with its bearing bars & cross bars jointing at their intersections either by welding or by locking。