專業(yè)制造硬齒面圓柱齒輪減速機
ZDY.ZLY.ZSY系列
DCY.DBY系列
SJY.JSJ系列擠出機專用減速機

Manufacturing hardened cylinder gear reducer ZDY.ZLY.ZSY series DCY.DBY series SJY.JSJ series speed reducer special for extruder