The pedal of its bottom is made of advanced alloy, and the pole and rear-wheel cover are made of high strength steeltube, which looks quite beautiful and firm.
车底踏板采用高级合金制造，车杆和后轮盖（刹车）刹车采用高强度钢管制造，美观坚固。
2
Traction frame from a special aluminum alloy Liuleng tube (with rebar) and high-pressure malleable aluminum fastening combination of stainless steel or aluminum rails;
牵引架由特制铝合金六棱管（内有加强筋）和高压锻铸铝合金扣件组合；
3
A binary alloy coating seamless steeltube top and a manufacture method belong to the field of laser processing.