Frame:1.2mm argon arc welding, spray painting, outside-pasted sticker
Stem: electroplating
Handlebar: riser Bars, electroplating
Rim: side-grinding aluminum
Bottom bracket: one piece, electroplating
Brake: F/R: Caliper brake/Band brake
Tyre: 2.125″, Tube: 1.75″ butyle
Saddle: leather seat
Train cover: plastic full cover
with training wheel and steel basket