KM04妊娠单体栏采用美式设计，整体采用实心圆钢焊接后整体热镀锌。前后门均采用碰锁设计，操作简单。

KM04 gestaiton crate designed in America model, all adopt the solid material and hot dip galvaznied after welding. Both the front door and rear door use the "auto-lock" design, easy to open and close.