• AboutUs
  • Home > AboutUs

  • 2022-11-14

    CHANGEN Company has passed ISO90001,ISO24001 and ISO45001 certification

    ▲ environmental managenent system certification ▲Occupational Health and Safety Management System Certificate ▲ quality management system certification More>

  • 2021-10-20

     D WG2 CISPR conference held in Dalian

    In August 20, 2014, the D WG2 CISPR conference held in Dalian, the experts on the relevant technical issues to communicate and discuss. Cheng Zhen Department to arrange personnel to attend this meeting.More>

  • 2021-10-20

     Cheng Zhen Branch in Guangzhou Industrial Design Industry Association exchange

    Cheng Zhen Dianke on 4 December 2014 in Guangzhou Industrial Design Association exchange activities, in Hong Kong in the tenth design and innovative technology Expo.More>

  • 2021-10-20

     EMC Sapporo & APEMC 2019

    EMC Sapporo & APEMC 2019 More>

  • 2021-10-20

     CHANGEN will attend in EMV 2106 as exhibitor

    For being well-known by the labs in the world, CHANGEN will attend in EMV 2016 in Düsseldorf, Germany from 23.Feb.2016 to 25.Feb.2016 as exhibitor. The booth No. is CCD-038. CHANGEN will bring the newest High Definition resolution monitoring system (HD207), the antenna mast for handy transmitter test(ISO 11452-9) (HTM555), low permittivity material (LF series) and light strength monitor (LM118), etc. to this expo. Welcome you to our booth! Click HERE> for free ticket! More info can be found in below link: More>

  • 2021-10-20

     CHANGEN received two U.S. patents

    1.Patent NO:US10,712,379B2 ELECTROMAGNETIC COMPATIBILITY TEST SYSTEM AND METHOD FOR ON-SCREEN-DISPLAY DATA ; 2.Patent NO:US10,746,776B2 NON-METAL POSITION SENSOR FOR USE IN ELECTROMAGNETIC COMPATIBILITY TEST, AUTOMATIC ANTENNA POSITIONING DEVICE AND SYSTEM More>

     1