SQI Institute of Metrology Inspection has provided metrology and calibration service for Commercial Aircraft Corporation of China Ltd，(COMAC) constantly since July 2017. Until September 11, SQI has finished the online inspection and calibration test on IDG drag test machine for ARJ plane experiment platform developed by COMAC.

In order to fulfill this calibration task, SQI professional inspection equipment calibration scientific and innovation team has been to COMAC for four times and designed and made two set of specific jigs and fixtures. SQI has planed two testing project with oil medium and water medium and provided key data of system flow. SQI has solved the technical problem of repeated dissembling of flow meter with low reliability of equipment, long check down time and lack of stability test method for on line device output flow.

COMAC appreciated SQI for our online calibration especially online calibration technology on flow after the cooperation. COMAC expressed their will to expand the scope of technical cooperation with SQI and thanks to SQI scientific and innovation team for their persevering, active and professional service and their craftsman spirits.

The success of COMAC calibration service is break for SQI in calibration and metrology achievement in the field of aerospace.