Compared to advanced countries, China’s sensor technology lags behind by 10 years in research and development and 15 years in production technology. In recent years, key laboratories for sensor technology, micron/nano technology, and robotics have been established, laying the groundwork for the sensor industry. Currently, there are 1,688 companies in China engaged in the production and research of sensors.
Domestic sensor manufacturers are heavily investing to increase variety, improve quality, and enhance economic efficiency, aiming to accelerate the industrialization of sensors. They strive to achieve a market share of 70-80% for domestic sensors and instrument components and over 60% for high-end products in the coming years.
1. Shenyang Academy of Instrumentation Science
Approved by the National Development and Reform Commission in 1995, the National Engineering Research Center for Sensors is located at the Shenyang Academy of Instrumentation Science. This center is the only institution in China engaged in the engineering research and production testing of sensor technology. It specializes in MEMS technology, silicon microchips, and force/thermal/magnetic sensors, conducting foundational process technology and engineering research. The center has multiple flexible production lines for silicon-based force-sensitive, MEMS sensors, transmitters, and related instruments, equipped with a CAD design center and reliability testing center, along with over 200 specialized equipment and standard production and laboratory infrastructure. It possesses core technologies and capabilities for the design, processing, packaging, testing, rapid development, and mass production of sensor sensitive chips and related instruments. Main sensor products include force/thermal/magnetic sensors and transmitters.
2. Research Institute of Tsinghua University in Shenzhen
In December 1996, the Shenzhen Municipal Government and Tsinghua University jointly established the Shenzhen Research Institute of Tsinghua University, exploring a new model of industry-university-research integration. This collaboration set a precedent in China. Shenzhen Lihai High-Tech Co., Ltd. (referred to as Tsinghua Lihai) is a high-tech enterprise formed by the research institute. The company successfully industrialized the quartz resonant force-sensitive sensor, a key research project under the national “Eighth Five-Year” and “Ninth Five-Year” plans, recognized as a high-tech industrialization demonstration base by the National Development and Reform Commission. Key sensor products include pressure sensors, strain sensors, and quartz crystal sensors.
3. Henan Hanwei Electronics Co. Ltd.
Hanwei Electronics focuses on the research, production, and sales of gas sensors and detection instruments. It is recognized as one of the top 100 high-growth private enterprises in Henan Province and a model enterprise for manufacturing informatization. The company holds independent intellectual property rights for gas sensors and detection instruments, offering a wide range of gas detection products for home, commercial, personal protection, industrial online monitoring, environmental analysis, mining safety, breath alcohol content detection, and engineering monitoring systems. In October 2009, it successfully listed on the Shenzhen Stock Exchange’s Growth Enterprise Market. Hanwei is a well-known manufacturer of gas detection products both domestically and internationally. Main sensor products include gas sensors and gas detection systems.
4. Beijing Collihigh Sensor Technology Center
The Beijing Collihigh Sensor Technology Center is part of a large professional industrial control enterprise alliance, relying on major research institutions such as the Chinese Academy of Sciences’ Institute of Mechanics, Institute of Acoustics, and the Ministry of Aerospace, forming long-term research cooperation with universities like Tsinghua University. It specializes in the design, production, and sales of various sensors, transmitters, measurement and control instruments, thermal instruments, field controllers, computer control systems, data acquisition systems, various environmental monitoring systems, specialized control system application software, and embedded system development and applications. Its products have broad application prospects in telecommunications, electric power, petrochemicals, environmental protection, papermaking, metallurgy, food, medical, and HVAC fields. Main sensor products include temperature/humidity transmitters, pressure/differential pressure/level/marine pressure/ultrasonic level/submersible transmitters, displacement/weighing/power sensors, etc.
5. Tianjin Zhonghuan Temperature Meters Co. Ltd.
This company specializes in the production of industrial thermocouples, thermal resistors, and diaphragm pressure differential transmitters, utilizing German technology. It is a high-tech enterprise integrating product research and development, production, sales, and system engineering installation.
6. Guanglu Digital Measurement
The company includes Wuxi Guanglu Digital Measurement Co., Ltd., Shanghai Guanglu Measurement and Control Technology Development Co., Ltd., and Shanghai Sales Branch. It mainly produces four categories of products: electronic digital calipers (general and specialized), electronic digital micrometers, electronic digital indicators, and other intelligent, digital precision instruments. The company’s capacitive sensors are among the world’s top in accuracy.
7. Hanwei Electronics Company
Hanwei Electronics is a leading manufacturer in the domestic gas sensor industry, with a complete industrial chain. The company’s main business includes the research, production, sales, and export of gas sensors, gas detection instruments, and gas detection control systems. It is currently the only company in China capable of producing four major types of gas sensors: semiconductor, catalytic combustion, electrochemical, and infrared optical sensors, holding a market share of 53% in the domestic gas sensor market.
8. Aerospace Electronics Company
Aerospace Electronics’ high-tech products include high-performance sensors, radio measurement and control systems, special electronic communications, automatic tracking systems, data collection, transmission processing systems, satellite television broadcasting systems, digital cable television network equipment, satellite communication ground stations, precision mechanisms and structural components for satellites, large ground engineering measurement and control stations, and electronic support equipment, as well as various electrical connectors, relays, electronic instruments, cables, and switches used in rockets, satellites, ships, aircraft, and nuclear energy products. These products are widely used in various types of satellites, rocket launch vehicles, corresponding ground communication measurement and control equipment, and industrial automation control equipment.
9. Huatian Technology Enterprise
Huatian Technology Enterprise mainly engages in the packaging and testing of semiconductor integrated circuits, MEMS sensors, and semiconductor components. Its packaging and testing products include DIP, SOT, SOP, SSOP, TSSOP, LQFP, MCM (MCP), MEMS, BGA, LGA, SiP, TSV-CSP, and other series totaling 185 varieties. The company produces plastic-sealed integrated circuits, analog integrated circuits, mixed integrated circuits, electronic modules, integrated pressure sensors and transmitters, integrated circuit packaging products, semiconductor packaging equipment, and mechanical processing products across seven major categories with over 400 varieties. Its annual packaging capacity for integrated circuits reaches 6.8 billion pieces, with an annual packaging capacity of 3 billion pieces for copper wire processes; TSV-CSP packaging capacity has reached 120,000 pieces per year; and annual testing capacity for finished integrated circuits reaches 3 billion pieces, with a testing capacity of 120,000 pieces per year for CP testing.
10. Dongfeng Technology Dongfeng Electronics Technology Co., Ltd.
Dongfeng Technology Dongfeng Electronics Technology Co., Ltd.’s subsidiary, Dongfeng Automotive Electronics Co., Ltd., specializes in the research, design, and manufacturing of automotive instrument clusters, vehicle sensors, and automotive electronic products. The company has a complete set of production equipment, manufacturing technology, and processing technology for automotive instruments and sensors imported from Germany. It has developed technologies for hollow coil instrument movements, stepper motor instrument movements, CAN bus instruments, TFT-LCD flat panel display instruments, vehicle sensors, body controllers (VECU), automotive event data recorders (VDR), and vehicle network systems, with products meeting Euro III emission standards.
11. Chengdu Changdi Sensor Technology Co., Ltd.
Founded in 1997, Chengdu Changdi Sensor Technology Co., Ltd. is located in the national-level Chengdu Economic and Technological Development Zone, covering over 30 acres with a building area of 12,000 square meters. It is a high-tech enterprise specializing in the research and production of automotive ABS wheel speed sensors, engine sensors, and has an annual production capacity of 6 million automotive sensors. The company is a member of the China Automotive Industry Association and a national high-tech enterprise. In October 2004, it was the first in the industry to pass the ISO/TS16949 international quality system certification.
12. Pucheng Sensors
Shanghai Pucheng Sensors, as a leading enterprise in the development of advanced electronic fuel injection systems for over a decade, began mass production of oxygen sensors in the early 1990s, exporting to the United States and becoming the only Chinese-manufactured oxygen sensor that was a best-seller in the U.S. market at that time. Currently, Pucheng’s total annual sensor production exceeds one million units, with thousands of varieties covering over 80% of global vehicle models, corresponding to over 20,000 OEM numbers. Its products are mainly exported to North America, Europe, the Middle East, and South America, with nearly 500 global trade customers. The high-quality products we provide at excellent cost-performance ratios create substantial profits for our partners and have earned high praise and trust from customers.
13. Wuhan Zhentai Sensor Co., Ltd.
Wuhan Zhentai Sensor Co., Ltd. is located in Wuhan, a city with developed transportation and a concentration of sensor manufacturing. The company has a team of industry leaders with decades of experience in the research, design, and manufacturing of automotive sensors, providing mature experience for domestic and foreign heavy trucks, high-end buses, engineering machinery, and engine manufacturers. The company mainly produces over 300 series of automotive pressure sensors, fuel level sensors, speed sensors, water temperature sensors, odometer sensors, and vehicle speed sensors.
Source: Sensor Technology
Original article from: OFweek
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