"Grill plates are arranged in flat cross a certain distance and the bar, welder or manually by pressing it into the middle of a soldering iron and steel products with a square lattice grille moderators do use drain cover plates, steel platform board, ladders treads etc. through twisted rails commonly used square steel grating (Steel Grating), also known as steel grating, due to regional differences, Southerners used to call the grill board, northerners habit called steel grating. generally referred to as steel grating. grating commonly used carbon steel, galvanized exterior, can play a role in preventing oxidation can also be made of stainless steel. grille with ventilation , lighting, cooling, slip-proof properties. grating tooth surface can be washed to increase slip resistance. I can also be used flat-type flat steel production. Production Standard Chinese YB4001-1991, YB / T4001-1998, YB / T4001.1-2007 standard (Chinese for 2007 the latest version of the standard steel grating); in addition the United States, Britain, Australia and New Zealand also have their own standards, in accordance with the United Kingdom and the United States BS4592-1-1995 ANSI / NAAMM (MBG531-88 ) and other standards. steel standard in accordance with GB700-88, GB1220-92 execution has produced two pressure welding machine and hand .. grill plate production methods. "