大宇DH500-DH450挖掘机回转支承/大齿圈/大转盘
大宇DH500-DH450挖掘机回转支承/大齿圈/大转盘大宇挖掘机回转支承/大齿圈/大转盘DH70-DH80-DH150-DH258-DH550大宇挖掘机回转支承/大齿圈/大转盘DH360-DH420-DH370-DH500-DH600)
上海柏崎回转支承制造厂
业务 QQ: 1353752545