1. One empty material plate should be reserved on the receiving mechanism each time, and then the full material plate should be placed into the feeding mechanism. 2. After the loading manipulator takes up the product of the full material plate, the material plate moving mechanism will move the empty material plate and implant it into the receiving mechanism. 3. When feeding and receiving products, the trafer platform to avoid sharing the platform with testing ititutio to reduce the waiting time. 4. Four groups of CCD testing ititutio check the products at the same time, and the movement between the testing ititutio also moves synchronously. 5. The receiving manipulator placed the pallet of the qualified products and implanted the NG storage box for NG products.