Treads ladders ladders steel grating treads are non-slip strips and side plus a combination of deep-processed products. Mainly used ladders made of galvanized steel grating stepping Foshan wholesale, it is usually referred to as stair treads. : Treads manufactured in various sizes need Foshan gutter cover steel grille to match the corresponding stairs, but the economic and security point of view, we recommend that you use the following specifications: t325 / 30/100 (applicable to stepping plate width more than 215mm of not more than 305mm) t255 / 30/100 ((applies to treads width greater than 215mm 305mm treads no more than the recommended length: Recommended Stair Tread width (based on the 5mm thick steel) T1 to T4 30mm pitch 125 155,185,215,245,275 305.T1 to T2 40mm pitch 125 165 205 245 285 325.T3 to T4 40mm pitch 115 155 195 235 275 315.T1 to T2 60mm pitch 185 245 305.T1 to T2 60mm pitch 155 215 275. The steel grille factory in Foshan, steel grating, 炳辉 network industry by Nanhai District of Foshan City 炳辉 industry Manufacturing Co., Nanhai District of Foshan City 炳辉 net Manufacturing Co. (fsbhwy.cn) (www.fsbhwy.cn) strong, credible In Foshan, Guangdong wire mesh industry has accumulated a large number of loyal customers. The company better work attitude and continuously improve innovative ideas will lead Bing Hui network industry into the brilliant and you work for a better future!