How to control the product quality？

1. Develop a comprehensive quality control plan: Develop a detailed quality control plan that outlines the specific procedures, standards, and expectations for each product. This includes inspection and testing techniques, quality assurance protocols, and criteria for acceptance or rejection of products.

2. Invest in quality testing equipment: Purchase and maintain the equipment necessary for quality testing such as pH meters, moisture analyzers, and other material-specific gauges.

3. Train employees: Provide regular training to employees on quality control processes and techniques to ensure that they are aware of the standards and expectations for each product.

4. Create a culture of quality: Foster a culture of quality by setting goals, rewarding quality performance, and encouraging open communication between employees and management.

5. Document everything: Document all quality control procedures, inspections, and tests. This allows for easy tracking of quality issues and helps with identifying patterns and potential problems.

6. Monitor suppliers: Monitor suppliers and their quality systems to ensure that they meet your standards for material quality and consistency.

7. Continually improve: Continually review and improve your quality control systems to ensure that they remain effective and efficient in producing quality products.