Shanghai Inspection and Testing Institute of Instruments and Automation Systems (SITIIAS) is a professional, independent and comprehensive third party technical institution mainly engaging in testing, calibration, verification and certification.
SITIIAS was authorized the following and so on:
National Supervision and Inspection Center for Explosion Protection and Safety of Instrumentation (NEPSI).
National Quality Supervision and Testing Center for Products of Process Automation Instrumentation by CNCA.
National Pattern Approval Laboratory for Metrological Devices by AQSIQ.
National Energy Research Development & Test Center for I&CS in Nuclear Power Plants by NEA.
Industrial Product Quality Control and Technical Evaluation Laboratory for Automation Instruments and Control Systems by MIIT.
Technical Testing Center for Marine Products by CCS.
As an accepted ExTL within IECEx system, NEPSI has set up joint office NEPSI@PTB in 2015 in Braunschweig, Germany.