... EN14619. Professional Scooter,PU wheel with Aluminium Core,Terminal Scooter,Top grade Material for Professional Player,EN14619. 1 ... own PU and PVC injection molding workshop,so the plactic and wheels all made by us,and ... we have our own Hardware workshop,the metal and aluminium is cut and welding ... had make a large progress every year,under the strong sales team,continue innovation and high quality ...