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.

25 Years
Focus on automation
Security field protection
200 Work Force
Echelon of high-quality talents
500 Million pcs
Product cumulative sales
5000 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 Harmonious Labor Relations Standard 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

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.

80+ 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 2 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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