Employers need mechanical designers to design products, which means that candidates have relevant skills and knowledge requirements. Mechanical designers need to have good mechanical design ability, master relevant design software and tools, and have a deep understanding of mechanical engineering principles and materials. Moreover, they also need to have good communication skills and teamwork spirit, and be able to cooperate effectively with other departments and team members. These requirements are to ensure that candidates can be competent in product design and bring value to the company.