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Precision Automotive Sensors Since 1992

Trusted supplier of high-reliability oil pressure switches, temperature sensors, speed sensors, and more for global automotive OEMs and aftermarket networks.

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About Haofeng Electric Appliances

Founded in 1992, Jiangxi Haofeng Electric Appliances Co., Ltd. is a professional manufacturer of automotive sensors and electronic components. With over three decades of experience, we have evolved into a trusted partner for Fortune Global 500 companies and major automotive groups.

Our commitment to innovation, quality, and customer satisfaction has positioned us as a leading supplier in both OE and aftermarket channels across Asia, Europe, and North America.

  • ISO Certified Manufacturing
  • In-House R&D Laboratory
  • 99% Product Qualification Rate
  • OEM/ODM Services Available
Haofeng Workshop

Our Development Journey

1992

Founded Haofeng Electric Appliances Co., Ltd.

1998

Became supplier to BAIC GROUP

2004

Expanded workshop to 33,950㎡

2008

Established in-house testing laboratory

2016

Became supplier for Fortune Global 500 companies

Our Product Range

High-performance automotive sensors designed for reliability, precision, and long service life in demanding environments.

Oil Pressure Switch

Oil Pressure Switch

Monitors engine oil pressure and triggers warning systems. Durable design for long-term reliability.

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Water Temperature Sensor

Water Temperature Sensor

Accurately measures engine coolant temperature for optimal fuel and ignition control.

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Thermo Switch

Thermo Switch

Controls cooling fan operation based on engine temperature. High-temperature resistant materials.

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Stop & Reverse Light Switch

Stop & Reverse Light Switch

Ensures proper activation of brake and reverse lights. Precision-engineered for safety.

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Speed Sensor

Speed Sensor

Provides accurate vehicle speed data for transmission, ABS, and speedometer systems.

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Knock Sensor

Detects engine knocking and adjusts ignition timing to prevent damage and optimize performance.

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Manifold Absolute Pressure Sensor

Measures intake manifold pressure to help the ECU calculate air density and fuel delivery.

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Crankshaft Position Sensor

Monitors crankshaft position and rotational speed for precise ignition and fuel injection timing.

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Camshaft Sensor

Detects camshaft position to synchronize fuel injection and ignition with engine cycle.

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Fuel Tank Gauge

Provides accurate fuel level readings to the dashboard. Resistant to fuel corrosion.

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Air Temperature Sensor

Measures intake air temperature to optimize air-fuel mixture and engine efficiency.

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Oil Temperature Sensor

Monitors engine oil temperature to prevent overheating and ensure optimal lubrication.

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Our Core Advantages

Scale & Capacity

  • 50+ skilled employees
  • 33,950㎡ modern workshop
  • $5 million investment
  • High-volume production

Global Market Reach

  • OE and aftermarket distribution
  • Supplied to Fortune 500 companies
  • BAIC GROUP partner since 1998
  • Export to multiple regions

Advanced R&D

  • In-house testing laboratory
  • CAD/CAE design software
  • Engine simulation testing
  • Continuous innovation

Quality Assurance

  • 99% product qualification rate
  • Strict sampling inspections
  • ISO-certified processes
  • Reliable long-term performance

Latest Technical Insights

Function of Water Temperature Sensor

The water temperature sensor converts the cooling water temperature into an electrical signal for the ECU to adjust fuel injection and ignition timing.

Published: Aug 22, 2019 Read More →

What Happens if the Water Temperature Sensor Fails?

A failed sensor may cause incorrect fuel mixture, poor engine performance, increased emissions, and potential overheating.

Published: Aug 22, 2019 Read More →

Operating Principle of Oil Pressure Switch

The oil pressure switch uses a diaphragm and spring mechanism to detect oil pressure and complete an electrical circuit when pressure is sufficient.

Published: Oct 8, 2021 Read More →

Get in Touch

Interested in our automotive sensors or OEM/ODM services? Contact us directly through our official website for inquiries, samples, and technical support.

Phone

+86-795-3668811

Email

[email protected]

Location

Chunyu Road 11, Economic Tech Dev Zone, Yichun, Jiangxi, China

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