A linking system adapted to link a plurality of products comprises a supply device having a tray with a slide slot adapted to load a first row of products therein, a gripping device having a gripper adapted to grip the first row of products and a moving mechanism adapted to move the gripper, and a holder adapted to hold the first row of products. The gripping device is adapted to move the first row of products from the supply device to a holding position on the holder and the holder is adapted to hold the first row of products at the holding position. The gripping device is further adapted to grip a second row of products from the supply device and link the second row of products to the first row of products held by the holder.