... according to your drawing Brother Medical offer all the parts for wheelchair:………………………………………………………….PU/Pneumatic tyres,CasterWheels,PU,Rubber,EVA, ... /Elevating,Pusk Lock Brake—Steel/Aluminum,Push Rim/Hand rim,PuToilet Seat,Head Support,Calf Pads,Armrest,Safety Belt ... ,Seating construction,Quick Release,Hub/Axle,Anti-TippersAlso OEM/ODM are our specialist ...