He pumau pai te putorino matao o te putorino matao, he tino hanga.The epoxy resin coating center is reinforced welded steel pipe. The combination of this structure allows the steel pipe to have better stability. Kō te pūpa karere matao, ehara i te mea he mahara ki te kopere i te kanohi o aua pūpa korosive, engari he koeficientia i a ia e taea rawatia ana te whakanekehia, koeficientia rawa te whakanekehia o te pūpa karere matao, ehara i te mea he mahara ki te whakaputa i muri i te mahi, ka taea e ia te whakanekehia te ora o te pūpa
