As an independent third-party testing body, CTTL has set up a three-layer management model to ensure the implementation of its Quality Policy of “Scientific, Impartial, Objective and Accurate” and the Service Goal of “Thinking what you think, Sharing your responsibility, Making your satisfaction”. CTTL Quality System was updated according to IEC/ISO 17025 and accredited by world recognized accreditation bodies, which has being operated successfully and secured the quality of scientific research and product tests.

Three-layer network system enables the high efficiency working and smooth exchange with outside world.