... , 90W, 120W, 140W,200w,250w,300w 3) Voltage: 12v,24v,36v48v,72v,90vNote : It's just the typical technical data ... for customer. Meanwhile,start to produce DC gear motor;2006 start to produce small series AC gear motor;2007 start to produce planetary gearbox ... parts Union;Chinese Micro motor standardized Union;First draft-man of Chinese standard of micro motorOur Certification:Our factory: DC gear motor