Production and quality assurance refers to a series of activities that ensure that products meet specific standards and requirements during the manufacturing process. This includes everything from raw material procurement to the manufacturing process to inspection and testing of the final product. The following are some common production and quality assurance measures:

1. Strict raw material control: Ensure that the quality of raw materials meets standards and conduct necessary inspections and tests.

2. Good manufacturing process control: Ensure that all steps in the production process comply with standards, including the operating status of equipment, compliance with operating procedures, etc.

3. Quality inspection and testing: Inspect and test finished products to ensure that the products meet the specified quality standards.

4. Quality management system: Establish and implement a complete quality management system, including quality policies, procedures and processes, to ensure product quality.

5. Continuous improvement: Continuously improve the production process and product quality by monitoring and analyzing data during the production process.

These measures help ensure that products are produced to a certain level of quality and meet customer needs and expectations. Quality assurance is also an important means for companies to gain customer trust and improve competitiveness.