... up welded H-section , hot-rolled H-section, channel, steel column, steel beam),standard frames, secondary framing, roof & wall materials, Tempcon ... stadium and the like.SUNNYDA has it's own design institute and test&inspestion dept. and this enable us to ... up welded H-section , hot-rolled H-section, channel, steel column, steel beam),standard frames, secondary framing, roof & wall materials, Tempcon ...