... wheelchairs and various motors e.g. AC Servo Motor, Stepper Motor, AC motor, DC motor etc., from China mainland, with ISO9001:2008 ... In addition, we are an appointed manufacturer of stepper motor by the Weapons Department of China Army.Recent years for ... brake Imported British VRII Controller, good performance4. Wider wheel more safety, solid tire.5, All-steel frame incorporated6. Automatic brake ...