wheelchair parts inlcude many custom metal parts used in wheelchair , like rim , spoke , clamps and other parts are worked as strict as drawings. There are many items worked by 3-axis ,4-axis CNC machine , material are usually processed in stainless steel and aluminum , the refered process include CNC machining , punching,forming, aluminum extrusion , and welding . T6 heat trement for the aluminum welding parts is needed and our strength is to make it strong . Finish for aluminum items are usually in black anoidzed with sand blasted.