According to the quality control plan at the beginning of the year, the company carried out quality control at each stage according to the requirements, step by step, and timed, and formulated corresponding quality control procedures and quality control plans. Through internal quality management, external audits, and results quality control methods, To ensure the accuracy and effectiveness of the test results, and continuously improve the company's test quality, the quality control situation is now analyzed.
The instrument administrator submits the instruments and equipment for inspection every year as planned, and regularly self-calibrates and conducts periodic inspections. From the analysis of the results of the inspections, all instruments and equipment are in a controlled state, and they can timely grasp the status of the instruments and equipment in the inspection work and discover the equipment. The problem was identified and repaired in time, and it did not appear due to equipment reasons, which affected the test results.