In order to ensure that the internal work of Huaxin meets the requirements of metrological certification and ensure the quality of testing projects。Huaxin completed the 2019 laboratory internal audit on December 30。

　 The internal audit is strictly in accordance with the requirements of the laboratory management system and other documents, covering all departments。The internal auditor conducted a comprehensive inspection and review of the laboratory, original records and archival materials according to the elements specified in the review criteria, and recorded the problems found in detail。Through this internal audit, the company's quality management system has been continuously improved and further perfected, promoting the standardized construction of the laboratory and the development of various business work, and laying a good foundation for ensuring the quality of testing work。