4399视频

公(gong)司經(jing)營(ying)(ying)鋼結構工(gong)(gong)(gong)(gong)程(cheng)設(she)(she)(she)(she)計(ji)；鋼結構生產、安(an)裝(zhuang)；房屋建筑工(gong)(gong)(gong)(gong)程(cheng)、市政公(gong)用工(gong)(gong)(gong)(gong)程(cheng)、園林綠化(hua)(hua)工(gong)(gong)(gong)(gong)程(cheng)、防腐保(bao)(bao)溫工(gong)(gong)(gong)(gong)程(cheng)、土石方工(gong)(gong)(gong)(gong)程(cheng)、水(shui)利水(shui)電工(gong)(gong)(gong)(gong)程(cheng)、石油化(hua)(hua)工(gong)(gong)(gong)(gong)工(gong)(gong)(gong)(gong)程(cheng)（不含煉化(hua)(hua)，不含危險化(hua)(hua)學(xue)品建設(she)(she)(she)(she)工(gong)(gong)(gong)(gong)程(cheng)）、機電設(she)(she)(she)(she)備(bei)(bei)安(an)裝(zhuang)工(gong)(gong)(gong)(gong)程(cheng)、公(gong)路工(gong)(gong)(gong)(gong)程(cheng)、水(shui)電暖安(an)裝(zhuang)、管道工(gong)(gong)(gong)(gong)程(cheng)；橋隧模板(ban)、掛籃、臺車、大型液壓箱(xiang)梁(liang)(liang)、現澆(jiao)箱(xiang)梁(liang)(liang)的生產、銷(xiao)售(shou)、安(an)裝(zhuang)、租賃、技(ji)術(shu)開發；幕(mu)墻、活動(dong)板(ban)房、電力設(she)(she)(she)(she)施的設(she)(she)(she)(she)計(ji)、生產、安(an)裝(zhuang)及(ji)銷(xiao)售(shou)；彩鋼板(ban)、門窗(chuang)的生產、銷(xiao)售(shou)；汽保(bao)(bao)設(she)(she)(she)(she)備(bei)(bei)、石油設(she)(she)(she)(she)備(bei)(bei)（不含特種(zhong)設(she)(she)(she)(she)備(bei)(bei)）、保(bao)(bao)溫材料及(ji)五金建材銷(xiao)售(shou)；自營(ying)(ying)和(he)代理一般經(jing)營(ying)(ying)項目商品與技(ji)術(shu)的進出口業務。