This questionnaire is to be completed by all departments within the Residential Energy Storage Overseas Marketing division. All data will be used solely for statistical analysis and departmental improvement. The company commits to strictly maintaining the confidentiality of all evaluation information. Please provide objective and honest evaluations based on your actual work experience interacting with each back-end department (R&D, Production, Supply Chain, and Quality). Ratings are based on a 5-point scale. Thank you for your cooperation and valuable feedback!