1.Management certificate:ISO9001:2000, ISO9001:2008 2.Delivery time : 7 days to 15 days 3.Payment :T/T

hengzhou 's steel grating can be used for ladders , platforms grating , plain flooring grating , walkways grating , drain covers , and trench covers and filter grates , stair treads etc .

grating dimension as follows :

Bearing bar pitch	12.5mm	22mm	34mm	60mm	80mm	90mm
Cross bar pitch	38mm	50mm	76mm	100mm	101.6mm
Thickness	3mm	4mm	5mm
Surface treatment	Galvanized	Paint	Balck
Material	Q235	SS304	SS316

1.bearing bar pitch  from 12.8mm, 22mm ,34mm ,60mm, 80 mm , 90 mm  of which 30mm and 40mm are recomended .

2.crossing bar pitch  from 38 mm , 50 mm , 76 mm, 100mm  to 101.6mm  of which 50mm and 100mm are recomended .

trench cover