n.钢制，冷酷，顽固
Caitu; structural steelwork; Heteromorphosis steel products manufacturing and processing.
彩涂板; 钢结构; 异型钢制品制作、加工.
Building products manufacturing of structural steelwork.
建筑钢结构产品制造.
Choi structural steelwork of the manufacture, marketing.
彩钢结构件制造 、 销售.