Bicycle parts 1.material: AL, steel 2.processing: welding, stamping, ... .processing: welding, stamping, machining4.surface: plating, paint.5.custom various parts according to the drawings, samples, and design.Taizhou Zhiyuan, ... customers' demands, we supply a wide range of other custom made products as well.Guided by international market, it ... here looking forward to your business proposals. Bicycle parts