... :2008 certified ROHS ,CE approved ratio:from1/3.3 to 1/4592 Diameter 22mm DC planetary Gear Motor Model No.:ZYM-2222mm *(22 ... approved ratio:from1/3.3 to 1/4592Can march PMDC motor, coreless motorCan make it according to clients requirements.Spur gear motor we ... ,36mm,37mm,38mm,40mm,42mm,45mm,46mm,48mm,65mm Planetary gear motor we have:16mm,22mm,25mm,36mm,45mm 22mm Planetary Gear Box