... 85% packing, one piece in one carton box Xingtai Tianzheng Bicycle CO., Ltd, we are manufacture for kids bike, kids ... and bike parts, such as bike axles, hub cone, bicycle saddle, bicycle pedal, bicycle freewheel and so on.if you are interested in ... and 3. • Large factory: We have our own frame and front fork welding workplace (tig-welding), painting workshop, assemble workplace, phosphating workshop ...