Shenzhen one pass inspection technology Co., Ltd. (hereinafter referred to as TTS) is engaged in industrial and consumer products testing, inspection and verification, and third party impartiality of the professional inspection institutions. The laboratory has obtained the Chinese national accreditation laboratory accreditation certificate (CNAS), the National Metrology Accreditation Certificate (CMA) and the international transportation safety certification (ISTA), the laboratory in accordance with international standards ISO/IEC17025:2005 "testing and calibration laboratory capacity of the general requirements" management and operation, has issued by the inspection report to the social justice qualifications.