Before entering the automation design, he also worked hard in the field of fixtures for a long time, laying a good foundation for entering the field of automation design. In addition to the design and processing of the jig, the concept of the jig is also applied to a special machine, such as a coated disc: after the lens of the mobile phone is shot, the coated disc is placed, and then combined (coating). After the coating is completed, The coated disc is a fixture, and then the lens is automatically assembled. For example: mobile phone lens, car lens.