4399视频

環(huan)保設(she)備(bei)、空(kong)氣(qi)凈化(hua)(hua)設(she)備(bei)、機械設(she)備(bei)、暖氣(qi)設(she)備(bei)的設(she)計、制(zhi)造、銷售；環(huan)保工(gong)程專(zhuan)業承(cheng)(cheng)包(bao)(bao)(bao)，電(dian)(dian)子與智能化(hua)(hua)工(gong)程專(zhuan)業承(cheng)(cheng)包(bao)(bao)(bao)，鐵路電(dian)(dian)氣(qi)化(hua)(hua)工(gong)程專(zhuan)業承(cheng)(cheng)包(bao)(bao)(bao)，通(tong)信(xin)工(gong)程施工(gong)總承(cheng)(cheng)包(bao)(bao)(bao)，電(dian)(dian)力工(gong)程施工(gong)總承(cheng)(cheng)包(bao)(bao)(bao)；批(pi)(pi)發(fa)、零售：五金產(chan)品，電(dian)(dian)子產(chan)品，橡膠制(zhi)品。（依法須經批(pi)(pi)準的項目(mu)，經相關部門批(pi)(pi)準后方可開展經營活(huo)動）