... , Warranty-1 year 4.Delivery on time NMRV30-130 gear box with electric motor Characteristics:(1) With excellent quality( ... ,110Color:Blue/ Silver WhiteMaterial:Housing-Casting iron-HT200# / AluminiumWorm Gear- Cooper-10-3 #Worm-20CrMnTi with carburizing and quenching, surface ... .5kw,2.2kw,4kw,5.5kw,7.5kwUsages:In industrial machine: Food stuff,Ceramics,chemical, aswell as packing, printing, dyeing ...