Shanghai Chenzhu Instrument CO., LTD.
Shanghai Chenzhu Instrument CO., LTD.
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CHENZHU manufactures the most reliable interface product for safety automation system. We are here to help your device run more safely. Here you can not only get world-class products, but also outstanding service for safety and automation system.
CHENZHU continuously improves its technology based on the experience and knowledge from different application requirements. Since 2002, more than several million sets of CHENZHU products have been sold all over the country, providing the safest protection for all industries.

Established in 2002, CHENZHU has developed as a manufacturing center that is able to manufacture 4 main categories of the product (Isolated Barrier, Signal Conditioner, Surge Protective Device, Safety Relay) with 18 ranges of series. In all, we have more than 500 plus models and more than 2000 specifications that can be configured to fit your needs.


 CHENZHU strives to provide high-quality products and services to meet the expectations of our customers and interested parties by delivering outstanding performance. We have special talents to research and develop safety and automation system. Indeed, automation and safety are our interface products' main characters.

  • One-stop Service

    Experienced engineering staff, pre-sales serviceand post-sale support

  • Professional Experience

    More than 20 years focus on safety protection in the field of industrial automation safety. 2000 +customers, 4000 + project applications

  • Professional Technology

    More than 110 patents core tech, nearly a third ofemployees are R & D Team

  • Better Quality Control

    All the production data is recorded and trackedby material or QR code, ensure the productquality meets customer requirements

  • 5 Years Warranty

    Since 2013 Chenzhu launched a 5-yearwarranty, life-long service standards responsiblefor maintenance

  • Smart Production

    With annual 1 million pcs production capacityour smart and flexible manufacturing process Isdesigned to carter your application need in shortprocessing time

We have over 24 years experience in design and manufacturer of Automation Safety Interface Products.