1.ISO9001:2008 quality systems.
2. 4 running lines
3.Full range of steel gratings
Wanjie brand welded steel gratings are manufactured by high-power pressure resistance welder controlled by computers. Steel gratings are formed by the longitudinal and latitudinal arrangement of flat steel and cross bar at the given spacing with strong welding spot and rectangular hole on surface.
In terms of flat bar surface, Wanjie steel grating can be flat, serrated and I-type. We have more than 300 specifications according to the flat steel specification, bearing bar centers and cross bar centers. Different surface treatments can be chosen under different service conditions.
Wanjie gratings have been largely exported and well received due to even surface, strong and beautiful welding spot,accurate size.
Compared to checkered plate products, gratings are featured well by:
Light weight, heavy-duty, large loading-bearing capacity, economical, ventilated, modern-styled, attractive appearance, non-slip and safe, easy to clean and installation, durable etc.
1. Pitch of bearing bars ranges from 15-30, 40, 60, 80, 90 mm etc. with 30, 40 mm recommended.
2. Pitch of cross bars ranges from 30, 38, 50, 76, 100 mm etc. with 50, 100mm recommended.