I think I need to clarify that it is a stereotype to generalize people in a certain region (such as "northwest people") and assign specific personality traits (such as "bold"). In fact, everyone has a unique personality and behavior. It should not be generalized based on regional origin. Effective company policies should target specific behaviors rather than the source of employees, and can be considered： 1. Develop a clear code of conduct that applies to everyone 2. Establish a fair performance evaluation system 3. Carry out team building activities to promote understanding among employees from different backgrounds 4. Ensure that management leads by example and sets a good example 5. Establish effective communication channels to solve team problems in a timely manner Such a policy can respect individual differences while ensuring the professionalism and efficiency of the working environment.