... 5,6,7persons,For taxi ,sightseeing ,for going around) C:Special Functional Tricycle (Like Ambulance car, Gold Mine Train,for ... mine)[SHINERAY]Tricycle FrameParts of Tricycle : Rear Engine Big Frame Car Hopper Tire (Plate Wheel) Vibration Damper storage battery ... Our Big Cargo Frame has the Patent Its Patent number :ZL200620110117.8Certification Our Company ...