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      Your trust partner

      CHENZHU company was established in 2002, who acted as strategic national team from Shanghai Institute of Process Automation Instrumentation (SIPAI), has grown as a leading brand providing high quality protective product fro your important asset in both Process Automation and Factory Automation industry, such as intrinsic barriers, signal conditioner, surge protection devices, safety relays, temperature transmitter and I/O etc.

      23 Years
      Focus on automation
      Security field protection
      160 Work Force
      Echelon of high-quality talents
      More than 40 technicians
      430 Million pcs
      Product cumulative sales
      4000 Projects
      Widely used in various basic industries
      Won widespread praise from customers

      CHENZHU is located in Shanghai, China which have been on the intrinsic safety market since 1997.
      CHENZHU high quality, safety, and reliability products protect various technological equipment in a lot of countries globally.


      Strong& professional

      High-class and fast technical support, regular training of specialists as well as extensive marketing and sales services?? are our standards. CHENZHU offer 5 years warranty since 2013.


      New Technology Enterprise Certificate
      National industrial production permit
      Passed ISO9001 quality management system certification
      Passed ISO14001 environmental management system certification
      Passed OHSAS18001 occupational health and safety management system certification
      Passed ATEX/IECEx explosion-proof quality management system certification
      Passed China Classification Society type approval
      Pass the safety production standardization certification
      Passed the certification of the integration of the two management systems
      Passed TUV functional safety factory quality system certification

      Government honor

      Shanghai May 1st Labor Certificate
      Shanghai Advanced Private Enterprise
      Shanghai specializes in new SMEs
      Shanghai Harmonious Labor Relations Standard Enterprise
      Shanghai Science and Technology Little Giant (Cultivation) Enterprise
      A-level certification of Shanghai high-tech achievement transformation project
      Three-star integrity to create a business
      Songjiang District Government Quality Innovation Award
      Songjiang District Enterprise Technology Center
      Patent Pilot Enterprise in Songjiang District

      Industry responsible

      Director Unit of China Instrument and Meter Industry Association
      Group member of China Instrument Industry Association
      Standing Director Unit of Management Science Branch of China Instrument and Control Society
      Member of China Electrical Equipment Industry Association
      Director Unit of China Petroleum and Chemical Industry Automation Application Association
      Member of Shanghai Instrument Industry Association
      Council Member of Shanghai Instrument and Meter Industry Association
      Top Ten Economic Operation Enterprises in Shanghai Instrumentation Industry
      Member of Shanghai Lightning Protection Association
      A benchmark enterprise in the integration of two industrializations in the instrumentation industry

      certified productcertified

      IECEx/ATEX/Nepsi Explosion proofcertified
      TUV/SITIIAS Functional safetycertified
      Lightning protection type test
      Type test of special equipment
      Conformity identification of Sinopec standards


      Quality & world standars

      Chenzhu R&D Center has established a research and development system for safety protection electronic products and equipment that is regulated by Chinese national standards and IEC international standards, with functional safety as its specialty, and intrinsically safe explosion-proof products. It has an evaluation and development system that meets the ISO 17025 standard. An independent laboratory accredited by TUV Rheinland, Germany, implements management throughout its life cycle.

      R&D team occupied 28% of our work force, more than 12% of sale revenue taken as R&D investment. CHENZHU take efforts into continuous innovation as our foundation of further development and more than 110 patents related core tech was obtained. CHENZHU internal laboratory was authorized by T??V Rheinland??group base on ISO/IEC 17025 to better support R&D, which test capabalities reaches to more than 70 items.

      70+ test items Comprehensive and professional test items support product performance

      High and low temperature test
      Temperature shock test
      Constant damp heat test
      Alternating test
      Vibration test
      Electrostatic discharge immunity test
      Radio frequency electromagnetic field radiation immunity test
      Electrical fast transient pulse group immunity test
      Surge (impact) immunity test
      Conducted immunity test induced by radio frequency electromagnetic field
      I, II, III impact test
      Action load test
      Combined wave test
      Insertion and return loss test
      Thermal stability test
      Basic function test
      Capacitance influence test
      Fault tolerance test
      Electrical safety test
      Long-term reliability test


      Smart & flexible

      With annual 1 million pcs production capacity, our smart and flexible manufacturing process is designed to carter your applications need in short processing time. All the production data is recorded and tracked.

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