ABC fabricates followed Main frame member:
（1）Solid web H section, straight or tapered section, suit for conventional metal building.
（2）Truss type member, for heavy fabricated building with heavy duty top running crane, long span metal building, etc.
（3）Cross section, suit for heavy fabricated building or multi-storey building.
（4）Box section, suit for multi-storey building.
（5）Bar-joist, for roof and wall subframe.