China National Center for Quality Supervision and Test of Standard Parts (SPT) is an impartial third party testing institution approved by General Administration of Quality Supervision, Inspection and Quarantine of the PRC. SPT passed the identification of the qualified inspection agencies (CMA, CAL) and the accreditation by China National Accreditation Stand (CNAS). SPT also passed the National defense Laboratory Accreditation (DILAC), and obtained the confidentiality qualification.
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