Wholesale Dashboard Racing Manufacturer & Manufacturers

Over 38 Years of Precision Engineering, OEM/ODM Customization, and Global Motorsports Instrumentation Partnerships

Ruian DongOu Automobile Meter Factory - Manufacturing Facility

About Ruian DongOu Automobile Meter Factory

Established in 1986, Ruian DongOu Automobile Meter Factory has emerged as a premier professional enterprise globally recognized for pioneering the research, development, and high-performance production of automotive instrumentation systems. Over nearly four decades, we have continuously advanced our core technology capabilities to build a robust, comprehensive ecosystem capable of outputting ultra-precise data monitors for demanding racing and custom tuning scenarios.

Our operation is underpinned by advanced automated calibration machines, precision surface mount technology (SMT) lines, and a high-caliber technical engineering R&D team dedicated to push the boundaries of automotive diagnostic displays.

Strategic Dual-Brand Portfolio:

SincoTech: A high-end race-grade instrument panel brand jointly developed in collaboration with an Australian technology firm. This elite line focuses on professional motorsport solutions, offering waterproof ratings up to IP67, low-latency Bluetooth modules, and integrated sensor matrices engineered to survive severe G-force tracks.

GragonGauge: A specialized modification brand featuring 52mm (2 inches), 60mm (2.36 inches), and 85mm (3.75 inches) gauges. Product lines include high-response stepper-motor tachometers, boost, vacuum, oil/water temp, oil pressure, EGT, AFR, and exhaust gauges.

Global Enterprise Procurement Demands

Addressing the critical supply-chain challenges, technical parameters, and system requirements for motorsports distributors, OEMs, and industrial fleets.

OEM/ODM Customization & Co-Branding

Global wholesale buyers require flexible white-labeling solutions. We support custom logo printing, custom startup screens on Bluetooth dashboards, specialized measurement units (PSI vs. Bar, Celsius vs. Fahrenheit), and tailormade mounting brackets to fit bespoke project dashboards.

Industrial-Grade Reliability & Durability

Harsh motorsport tracks demand high vibration resistance and wide operational temperature zones. Our instrumentation systems undergo continuous thermal cycle testing (-40°C to +85°C) and are built with rugged aluminum or UV-stabilized ABS casings to prevent cracking and display fade.

Multi-Protocol System Compatibility

Modern tuning demands high compatibility. Our SincoTech DO921 and DO904 models integrate both standalone sensor systems and OBDII / CAN bus interfaces. This allows teams to extract clean RPM, boost, water temp, and voltage readings seamlessly from stock and race ECUs.

Manufacturing Scale & Engineering Credentials

Data-driven validation of Ruian DongOu's global production capacity and technical authority.

1986
Year of Establishment
38+
Years of Instrument R&D
50+
Exported Countries
100%
Quality Controlled & Calibrated

Macro Industry Solutions

Strategic hardware and display deployments configured for racing groups, global aftermarket distributors, and commercial fleet applications.

Professional Motorsports Teams

For high-intensity circuit, rally, and drag racing. Solutions include our multi-function LCD racing dash panels with high-visibility sequential shift lights. With real-time sensor processing and zero lag, racers can monitor up to 18 critical parameters including EGT, oil temp, and air-fuel ratios under extreme cornering forces.

Performance Customization Shops

Catering to drift, street, and show car projects. We provide 52mm and 60mm analog-digital hybrid gauges (GragonGauge series) offering 7-color selectable backlights, peak value recall, and warning buzzers. These units easily cluster in A-pillar pods or dashboard housings for custom aesthetic appeal.

12V/24V Industrial & Off-Road

Engineered for high-vibration off-road buggies, commercial haulers, and marine craft. Our IP67 waterproof SincoTech DO908 dashboard features tough, sealed housings, high-brightness displays visible under direct sunlight, and robust wiring looms that resist oil, heat, and moisture damage.

Technology Roadmap & Future Outlook

Ruian DongOu Automobile Meter Factory is actively executing a tech-integration roadmap to align with the transition towards electric vehicles (EV) and intelligent connected cockpits. Our engineering labs are focused on key structural milestones:

  • Ultra-Low Latency Bluetooth 5.0 Core: Development of zero-lag sensor hubs (e.g., SincoTech DO922/DO904 series) to transmit real-time telemetry from remote engine bay sensors to the cabin dashboard without thick firewall routing.
  • OLED & High-Contrast TFT Integration: Transitioning core models to active-matrix OLED screens (such as the DO907 series) to provide deep blacks, 180-degree viewing angles, and instant response times down to sub-zero temperatures.
  • CAN Bus & OBDII Intelligent Multiplexing: Simplifying installation using single-cable plug-and-play connections that scan and process standardized SAE J1979 OBDII diagnostic PIDs automatically.
  • Wideband AFR Controller Modules: Enhancing air-fuel monitoring systems (DO926WB series) with advanced Bosch LSU wideband oxygen sensor compatibility for ultra-precise high-boost tuning.
Advanced Calibration and SMT Lines

R&D and Factory Gallery

A behind-the-scenes view of our development labs, assembly workshops, and product testing units.

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Factory Machine 3
Production Process 1
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Production Process 5
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HOT PRODUCTS

The core configurations selected by our leading global automotive distributors.

2 Inches 52mm Car Gauge Water Temp

2 Inches 52mm Car Gauge Water Temp Oil Press

Selectable Backlights
Racing Gauge 9 in 1 Race Dash Panel

Racing Gauge 9 in 1 Race Dash Panel Multi-Function

SincoTech DO908 Engine Monitoring
Dashboard Racing Multi-Function Race Dash

Dashboard Racing Multi-Function Race Dash Panels OBDII

SincoTech DO921 Series
Race Dash Panel Multi-Function Dashboard

Race Dash Panel Multi-Function Dashboard Sensor Kit

Narrowband DO926NB Kit
2 Inches 52mm Car Fuel Level Gauge

2 Inches 52mm Car Fuel Level Gauge with Float Sensor

Universal 12V/24V Vehicles
52mm Double Display Car Gauge

52mm Double Display Car Gauge Water Temp Volts

Double Segment High-Precision Display
5 Inch 4 IN 1 Car Tachometer

5 Inch 4 IN 1 Car Tachometer Water Temp Oil Temp Press

Integrated Shift Light Control
52mm Boost Tachometer Voltmeter

52mm Boost Tachometer Voltmeter Air-Fuel Ratio

7 Colors Adjustable Backlight
52mm Car Gauge Dual Display Tachometer

52mm Car Gauge Dual Display Tachometer PRM Boost Gauge

All-in-One Dual Display Unit

RECOMMENDED NEW PRODUCTS

Stay ahead of market curves with our latest smart telemetry and multifunction systems.

3.5 Inch Race Dashboard Multifunction

3.5 Inch Race Dashboard Multifunctional LCD Racing Gauge

Covers 18 kinds of important parameter data. Integrated alarm indicators and sensor connection kit. Model: SincoTech DO916.

10 in 1 Race Dash Panels OLED

10 in 1 Race Dash Panels OLED Digital Display Dashboard

High-brightness, high-definition OLED display panel with auto-brightness levels and external sensor matrix. Model: DO907.

Multi-Function Race Dashboard Racing Panels

Multi-Function Race Dashboard Racing Panels LCD Display

Features standard OBDII connection, high-speed Bluetooth link, and multi-parameter live graphing capability. Model: DO903.

Industry Applications

No Matter Where You Are, Make Care Without Distance

Various Gauges Combinations

Various Gauges Can Be Freely Combined

Integrated Parameters Dashboard

Dashboard Integrates Multiple Core Vehicle Parameters

Any Location Custom Installation

Can Be Installed in Any Location According to Preference

Global Distribution & Supply Chain Reliability

Over the past four decades, Ruian DongOu Automobile Meter Factory has focused on breaking the historical trend of Chinese manufacturers lacking high-end presence in the performance automotive market. Today, our distribution network spans Australia, North America, the European Union, South America, and Southeast Asia.

By controlling both physical R&D labs and tooling facilities, we provide reliable lead times for wholesale operations, batch quality checks on high-speed SMT assembly, and immediate engineering support. Our dual-brand approach with SincoTech and GragonGauge ensures that whether your firm serves professional racing teams or street car customizers, you have direct factory backup.

Ruian DongOu Automobile Meter Factory

With stable product performance, excellent user experience, and comprehensive after-sales service, our company has won widespread recognition and praise from domestic and international customers, accumulating an outstanding brand reputation in the global automotive instrumentation market.

  • Over 40 Years of Manufacturing History
  • Full OEM/ODM Professional Engineering Services
  • Direct Tech Support & Localized Calibration Settings

Localization Support & Regulatory Compliance

Ensuring seamless legal import, local vehicle integration, and product safety compliance across international regions.

CE & FCC Standards

All wireless models, including our Bluetooth dashboards and sensor boxes (DO904, DO922), strictly comply with CE and FCC electronic emissions standards to avoid interference with critical automotive safety systems and ECUs.

RoHS Eco-Compliance

We source premium lead-free solder components and raw materials to meet RoHS requirements in Europe. This ensures eco-friendly manufacturing processes and simplifies importation processes for custom tuning distributors.

Localized Gauge Metrics

Different markets prefer specific metric configurations. Our digital race dashboards support direct switching between Metric and Imperial readouts (e.g., kPa/PSI for pressure, Celsius/Fahrenheit for temperature, and KMH/MPH for speed).

Frequently Asked Questions (FAQ)

Addressing primary technical queries and bulk procurement considerations for B2B partners and professional mechanics.

What is the standard lead time for OEM/ODM brand customization on dashboard systems?
For customization options such as co-branding, logo injection, and custom box artwork, the lead time typically ranges between 15 to 25 days following technical drawing approval. For custom bracket tooling or specialized electronic hardware adjustments, lead times depend on specific custom layouts and component tests.
How do SincoTech Bluetooth dashboards connect to remote vehicle sensors?
Models like the SincoTech DO904 and DO922 utilize an independent, central sensor converter box installed in the engine bay. The sensors (boost, EGT, pressure, temp) connect to this central hub, which then sends the consolidated multi-parameter data streams to the LCD screen in the cabin wirelessly via high-speed, interference-resistant Bluetooth protocols.
Are GragonGauge modified gauges compatible with 24V commercial and heavy off-road vehicles?
Yes, our dual-display gauges and digital instruments (including the 52mm water temp, voltage, and boost gauge series) support input voltages spanning both 12V and 24V systems. This guarantees functional safety and accurate calibration profiles for light duty vehicles, marine boats, and heavy industrial trucks.
How do you guarantee measurement accuracy in harsh racing environments?
Every batch of gauges undergoes electronic calibration against high-accuracy pressure, vacuum, and temperature standard inputs before packaging. The stepper motors utilized in our GragonGauge line prevent pointer lag and display flutter under severe vibration, while SincoTech digital units execute diagnostic routines upon boot to confirm all sensor lines are functional.