Z Purlin Machine Jan. 20, 2013 22:07:13
1. Dimension of main froming machine: 9.0m( L) * .... on surface.
9. Die roller: all adopt Gr15( ball bearing steel) , through hammer, finish machining, quenching( hardness: 50Â ° ~ 52Â ° ) , line....
See more »Founded in 1998, our enterprise specializes in .... industry for producing C, Z, U, H shape purlins, load-bearing plates for buildings, wall and roof protective structure colorful steel plates or....