Analysis of the Main Business Proportions of A-Share Listed Companies in the Sensor Industry Chain for the First Half of 2025

This article analyzes the main business proportions of A-share listed companies in the sensor industry chain for the first half of 2025, combining industry segmentation and financial report data, covering design, manufacturing, packaging testing, and application stages, highlighting companies with high proportions:

1. Core Links of the Sensor Industry Chain and Listed Companies

1. Design and Chip Manufacturing

• Image Sensors

• OmniVision Technologies (603501): Image sensor solutions account for 74.21% of main business revenue, driven by demand for automotive intelligent driving and emerging markets.

• STMicroelectronics (688213): Focused on CMOS image sensor design, gradually ramping up automotive-grade products.

• MEMS Sensors

• Senser (688286): MEMS pressure sensors account for 44% (revenue of 133 million yuan), surpassing acoustic sensors (37%) to become the largest business; inertial sensors account for 6.5% (revenue of 20 million yuan), with a year-on-year growth of 98.82%.

• Silicon Microstructures (300456): Leading MEMS chip foundry, serving sensor design companies for inertial, pressure, and other sensors.

• Temperature/Pressure Sensors

• Huagong Technology (000988): Sensing business (including sensors) accounts for 28.23% (revenue of 2.154 billion yuan), with sensor revenue of 1.942 billion yuan, a year-on-year growth of about 30%.

• Kaite (832978): Automotive temperature sensors account for 30%, with overall sensor proportion at 40%, clients include BYD and Tesla.

2. Manufacturing and Packaging Testing

• Silicon Microelectronics (600460): MEMS sensor business turns profitable, with revenue exceeding 100 million yuan in the first half, focusing on accelerometers and gyroscopes, a major supplier for domestic mobile phone brands.

• SuZhou Gude (002079): Subsidiary Minghao Sensor’s sales of accelerometers rank first in the country, with MEMS business accounting for over 90%.

• Huatian Technology (002185): Sensor packaging and testing business accounts for about 15%, serving the consumer electronics and automotive electronics fields.

3. Intelligent Sensors and Systems

• Hanwei Technology (300007): Sensor revenue of 188 million yuan (accounting for 16% of revenue), leading domestic gas sensor company, products like electronic skin and IMU entering humanoid robot supply chains.

• Colin Sensor (603662): Strain sensors hold the top domestic market share, robot sensors (six-dimensional force/moment, IMU) samples sent to over 50 companies, with industrial sensor business accounting for over 80%.

• Beichuang Technology (300667): Intelligent sensors account for 22.76% (70.87 million yuan), mainly applied in industrial monitoring and environmental protection fields.

4. Application Fields (Automotive, Consumer Electronics, etc.)

• Automotive Electronics

• Baolong Technology (603197): MEMS pressure sensors used in automotive carbon canister desorption systems, automotive sensor business accounts for about 25%.

• Lianchuang Electronics (002036): On-board lenses and imaging modules account for over 50% of revenue, ADAS lenses supplied to BYD (accounting for over 60%).

• Consumer Electronics

• GoerTek (002241): Acoustic sensors (microphones, speakers) account for 20.25% of precision components business (revenue of 7.6 billion yuan), AR/VR optical modules becoming a new growth point.

• AAC Technologies (02018.HK): Leading global acoustic sensor company, not listed on A-shares.

5. Raw Materials and Equipment

• Quartz Co. (603688): Supplier of high-purity quartz materials for sensors, with semiconductor revenue proportion rising to 30%.

• North Huachuang (002371): Leading domestic MEMS manufacturing equipment (etching machines, thin film deposition equipment).

2. Notable Companies with High Business Proportions in the First Half of 2025

Company	Stock Code	Core Business	Sensor-Related Revenue Proportion	Core Data and Growth Drivers
OmniVision Technologies	603501	Image Sensor Design	74.21%	Growth driven by automotive intelligent driving and emerging market demand, ramping up 8-megapixel sensors, mass production of 50-megapixel sensors.
Senser	688286	MEMS Pressure / Acoustic / Inertial Sensors	87.5%	Pressure sensors account for 44% (revenue of 133 million yuan), inertial sensors grew by 98.82% year-on-year, layout for humanoid robot six-dimensional force sensors.
Huagong Technology	000988	Laser Sensors, Grating Displacement Sensors	28.23%	Sensing business revenue of 2.154 billion yuan, sensor revenue of 1.942 billion yuan, with a year-on-year growth of about 30%.
Hanwei Technology	300007	Gas Sensors, Electronic Skin	16%	Sensor revenue of 188 million yuan, electronic skin and IMU supplying small batches to humanoid robot clients, growth in automotive sensor orders.
Colin Sensor	603662	Strain Sensors, Robot Sensors	Over 80%	Leading domestic market share in industrial sensors, nearly a thousand sets of six-dimensional force sensors shipped, entering Tesla and Huawei supply chains.
Kaite	832978	Automotive Temperature Sensors, Six-Dimensional Torque Sensors	40%	Temperature sensors account for 30%, strategic supplier for Tesla, annual production of 42 million air outlet actuators.
SuZhou Gude	002079	MEMS Accelerometers	Over 90%	Subsidiary Minghao Sensor ranks first in national sales, automotive-grade products gradually penetrating the market.

3. Industry Trends and Key Focus Areas

1. Intelligent and Robotics-Driven Growth

• Humanoid robot sensors (six-dimensional force, IMU, tactile) are becoming a new blue ocean, with companies like Colin Sensor, Hanwei Technology, and Senser accelerating their layouts.

• AI edge applications (such as AI phones, AI glasses) are driving demand for high signal-to-noise ratio acoustic sensors, with Senser already achieving small batch shipments.

1. Domestic Substitution of Automotive-Grade Sensors

• OmniVision Technologies, Baolong Technology, and Lianchuang Electronics are making breakthroughs in automotive image sensors and pressure sensors, gradually replacing international manufacturers like Bosch and Continental.

• The domestic rate of automotive-grade MEMS sensors (such as tire pressure monitoring and inertial navigation) is advancing from less than 10% to 30%.

1. Optimization of High-Margin Product Structure

• Senser’s pressure sensor gross margin exceeds 30%, driving overall gross margin up to 31.64%; Huagong Technology’s high-end laser sensor gross margin exceeds 40%.

1. Policy and Industry Chain Synergy

• The National Manufacturing Innovation Center (such as the Zhejiang Intelligent Sensor Innovation Center) promotes technology integration, led by Colin Sensor.

• Downstream demand in new energy vehicles, energy storage, and industrial automation is expanding, with the sensor market expected to exceed 300 billion yuan by 2025.

4. Data Explanation

• Data Source: Company financial reports, Wind database, brokerage research reports (Guohai Securities, Minsheng Securities).

• Statistical Scope: Covers major listed companies in A+H shares and the New Third Board, with some non-listed companies (such as Horizon Robotics) not included.

• Risk Warning: Fluctuations in raw material prices (such as silicon wafers, precious metals), intensified international competition, and risks of technological iteration.

Through the above analysis, it is clear to see the business layout and growth momentum of leading companies in each link of the sensor industry chain, with high proportion companies leveraging technological barriers and customer resources to gain an advantage in the wave of intelligence.