Atz Company is a the really manufacture focus on the strut channel system many years.Our factory pass the ISO9001 in 2010 and in Wuxi city which very famous with the high quality steel, and sell very well to many countries.Atz Company is a the really manufacture and have the very competitive price but high quality.Our main product list:1.41X21 series slot and plain.2.41X22 series slot and plain3.41X25 series slot and plain4.41X41 series slot and plain5.41X62 series slot and plain6.41X82 series slot and plain7, 41X21 back to back (with teeth or not)8.41X22 back to back(with teeth or not)9.41X41 back to back(with teeth or not)Material: Q235, SS304, SS316Thickness: 1mm to 3mm(with teeth or not)Finish: Pre-galvanized, power, HDG, and so on,Length: 3 meter, 6 meters or customized,Slot size: 11X25, 14X25 or customized.We also can supply the fittings, such as the spring nut, bracket, thread rod, square washer, 90 degree fitting...We can accept OEM and ODM, produce as your requirement.