... factory can supply many kinds of pumps to you,always would like supply good ... 5>also we can design the words on the pumps.6>beside,we also can manufacture chainwheel&crank, ... saddles,pedals,head parts,cotter pin etc. We Tianyuan Bicycle Co Ltd mainly manufactures and exports chainwheel&crank,handle ... cups,hub spindle,side stand,double stand,rear carrier pumps.Also we can supply children bike,baby chair, ...