The orbit divided into ¡°O¡± and ¡°T¡± two model, the shackle pitch is regulated according to the birds size, production capacity. ¡°O" shape orbit with its curved tracking surface reduce the transportation resistance, the working matched with stainless steel trolley. The fully overhead conveyor line including the following parts: Orbit Stainless steel trolley or Nylon trolley which work with ¡°T ¡° shape orbit 90˚ and 180˚ Corner wheel Driving unit Tensioning Unit Driving chain Shackle Shackle chain