Our purpose; material models sold at cost plus a processing fee = honesty; gentleman love of money to road, a cooperative permanent friend stair treads frequently bear a few people at a time when the evacuation routes cross through or as a person when stair treads manufacturers, stair treads width to 1200mm. Pedal width of 700mm, 800mm, 900mm, a minimum width of 600mm. The maximum width of not more than 1200mm. For single stair by stair treads where the good, the width of the beam or fence between the two ramps should not be less than 60mm. Treads T1 to T240mm spacing 125,165,205,245,285 325 T3 to T4,40mm pedal spacing 115,155,195,235,275 315 Stair treads end side panels must sided fully welded. And load flat steel in the same direction treads stair edging boards, each of the bar must be welded. The steel grating incision, opening equal to or greater than 180mm, and should be treated edging. Stair treads edging frontier guards if necessary throughout the stepping. Steel grating load flat steel, can be flat plane, I type flat or slitting strip. Steel grating load flat steel, with a tooth can to increase the force of steel grating slip stair treads suppliers, tooth size as shown in Figure 2. Within each of not less than 100mm 5 teeth. The minimum width of the tooth-size platform steel grating of not less than 300mm. Factory direct win-win cooperation, the gentleman love of money to road, a cooperative permanent friends, the factory will cherish every opportunity to cooperate, understand ?? treasure guarding Jinshan will not be happy. I hope we gain wealth and happiness together. Our purpose; material models sold at cost plus fees = stair treads stair treads dealers _ _ made steel grating million issued by Anping million steel grid MILL. Anping hair million steel grid MILL (www.hbggb.net) (www.hbggb.net) strong, credible, Hebei Hengshui wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the hair one hundred million steel grating and you hand into the brilliant, for a better future!