... ,make the final design and prepare to productcross-arm-attachment boltwith the advanced equipment and the high ... of the poleflange-attachent nutthe production of the cross-arm,bottom flange,tensile flange ladder attachment nutwith the ... weld carefullyH08A,H08MnA welding wirejoin the pole,flange and cross-arm togetherHJ431welding fluxhot dip galvanization and installationzincwhole quality monitor ...