Co . , ltd . , ningxia hengli coal product company , shandong langfang steel wire co . , ltd . , ningxia hengli ecological deer scientific and technical zone , shandong hengli hushan machinery science and technology co . , ltd . , ningxia hengli automobile transportation company , shizuishan hebin building management company and zhongsheng steel wire rope industry shanghai co . , ltd . , and is one big share holder of north west security co . , ltd . as well 經(jīng)營范圍涵蓋了線材制品建筑房地產(chǎn)煤加工,機(jī)械制造物資流通等行業(yè)產(chǎn)業(yè)領(lǐng)域。形成了一個以產(chǎn)權(quán)為紐帶以母子公司運(yùn)行機(jī)制為特征,具有多個法人企業(yè),以跨地區(qū)跨行業(yè)多元化經(jīng)營為模式的大型企業(yè)集團(tuán)。