無錫市齒輪箱廠  生產(chǎn)：齒輪類   PG型硬齒面行星齒輪減速器  DGJ系列頂管掘進機專用行星減速器  HCF型液壓離合減速器  NC系列臥螺離心機專用行星齒輪差速器

Wuxi gear box factory production: gear PG hard tooth surface planetary gear reducer DGJ series pipe driving machine special planetary gear reducer HCF hydraulic clutch reducer NC series horizontal screw centrifuge special planetary gear differential