Evaluate the performance of your key suppliers based on the following criteria: on-time delivery rate, quality of materials supplied, and compliance with contract terms. Prepare a report comparing suppliers' performance over the past [timeframe], highlighting trends and identifying areas for improvement. Consider the impact of supplier performance on your company's [production timeline] and suggest possible mitigation strategies for identified issues. Ensure that the data is segmented by product category, and provide recommendations for any adjustments in procurement strategy based on supplier performance insights.