Tong Engineering has over 90 years of experience as grading machine manufacturers, creating advanced and efficient vegetable handling equipment, from single machines to complete, custom-built handling solutions. Now exporting world-class equipment to more than 50 countries worldwide, Tong Engineering offers a vegetable handling solution for a wide range of root crop and vegetables, from potatoes, onions and carrots, to parsnips, brussel sprouts, broccoli, swede and more.