... all kinds of steel structure buildings. Lingshan Steel Structure Co., Ltd. Main Grade: Q345B, Q235B Standard: ISO9001:2000We are a Factory ... got customers from all over the word. Applications: Steel workshop / warehouse / shed, Exhibition Hall, Office buildings, Garage, Hanger, Agricultural storage, Logistic ... ' GP, 40'HQ,40'OT or in bulk steel structure warehouse with ISO9001:2008