Quality Policy: Impartial, scientific, accurate and efficient Acts of justice: - from from the commercial, financial and other aspects of the intervention, and other internal and external administrative pressure, to ensure the impartiality of the detection behavior; The scientific method: - to comply with the relevant state laws and regulations, in accordance with regulations, norms and standards, use advanced testing equipment to ensure that the scientific nature of the detection method; Accurate data: - certificates and reports should be accurate, no data or conclusions and errors, in other areas to minimize errors and to ensure the accuracy of the test results; Efficient work: - Early detection tasks completed on time, the test report issued within the prescribed time limit.