Grating production standards 
 China YB4001-1991, YB/T4001-1998, YB/T4001.1-2007 standard (for the grating China 
 2007, the latest version of the standard grating); addition, the U.S., UK, Australia and New Zealand also have their own standards, but also according to the British BS4592-1-1995 and the American ANSI / NAAMM (MBG531-88) and other standard production. Steel standards in accordance with GB700-88, GB1220-92 implementation. 
 Grating classification: Platform steel grating plate, Composite steel grid plate, drain cover grating, steel grating plug, glass, steel grid, ceiling steel grating, steel grating gate. It features: light weight, high strength, load capacity, the provincial timber economy, air and light, modern style, beautiful appearance; non-slip safety and easy cleaning, easy to install and durable. 
 Grating the specific use: walkways, ventilation, fence, mooring dock, trestle, racks and frames, walking bridges, drilling platforms, conveyor gallery trestle, bridge walkways, trench covers, hopper windows, across the walkway rail, manhole covers , security doors and windows, airport lighting, fence, trash rack, wall fence, paint room (mainly car paint room paint room and furniture), storage shelves, equipment, sidewalks, billboards, livestock pens, equipment, safety bar, tube Gallery trestle, scaffolding, ship landing pedal, wash rack, truck top walkways, platforms, grating, sun boxes, ladders pedal, marine operations vessel, feeder aisle.