The quality control system is the core department of the company’s product quality assurance and quality improvement. There are QA, QE, SQE qualified technicians, various types of high-precision test and measuring equipment (including high-precision CMM, etc.), an independent ageing laboratory and test systems in the salt spray laboratory. Guided by the Quality Center, the company implements the Tool Quality Management (TQM) for quality management, comprehensively managing product quality starting from the stage of research and development to completion.