... welcome Detailed Product Description ITEM Electric Bicycle Wheel KitDie casting mouldCavitySingle or multipleMaterialH13,DIEVAR,QDN, ... materials, Long lifetime, Short delivery time.Die casting productMaterialAluminum alloy,A360, A380, A383, AlSi10Mg, AlSi9Cu3, ADC3, ADC6, ... refined, sharp equipment, a more high-speed processing center, walking thread cuttings, precision machine sparks, large grinding ...