联系人：武经理***:3258677373***：13722707271扩管模具型号；21mm27mm33mm42mm48mm60mm73mm89mm102mm114mm141mm168mm219mm273mm324mm356mm406mm457mm508mm559mm610mm660mm711mm***813mm864mm914mm926mm1016mm1067mm1118mm1168mm1219mm扩管模具材质；3042520m17扩管模具、扩管芯棒、扩管胎)