Conveyor is a critical part of the packaging and turn over projects, connected with stretch wrap machine and shrink wrapper as well as upender to enhance the efficiency and upgrade the speed of whole line. They are used to feed and discharge the products and objects with no hands help from manual assistance. It's also the place where to embed the sensors and other components of the control system. The variant types of conveyors are chose depend on the products and integrated machines. Conveyor belt is often for grocery feeding to shrink wrapper, while roller conveyor often for feeding heavy pallet loads to pallet stretch wrapper.