Wiskind design and fabricated Mill Factory in New Zealand, the building total three floors, each floor support heavy equipments, loading bear capacity more than 1500 kgs, on each floor, the mill factory building divided in three part , the first part with six bin tank, each tank weight 130 tons, the second part with heavy machinery in each story the third part with five tanks, each tank weight 75-80 tons, the totally quantity of steel structure more than 500 tons, the column fabricated by Box-shape column because the heavy loading in each level.