Explore our high-performance display systems designed for professional racing, automotive modifications, and OEM industrial applications.
High-precision water temperature & voltage meter for 12V/24V vehicles. Optimized dual-display visual feedback.
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SincoTech DO908 waterproof rally race gauge display. Complete sensor kit with multi-channel LCD monitoring.
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Wholesale waterproof 9-in-1 race dashboard. Industrial-grade telemetry sensors and instant warning indicators.
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Multi-function 7 colors LCD display Bluetooth dashboard system. Optimized for 12V performance vehicles.
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Wholesale pointer-style GPS speedometer with integrated digital odometer. High accuracy, independent of transmission.
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Compact multi-parameter dashboard with full sensor kit. Tracks engine parameters with customizable thresholds.
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Customizable 3.5-inch multi-function race dashboard. Reads up to 18 critical parameters in real-time.
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OBDII direct-connect dashboard featuring easy installation, over-speed alert, and user-configurable backlighting.
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Established in 1986, Ruian DongOu Automobile Meter Factory is a professional, high-technology enterprise dedicated to the research, development, engineering, and precision manufacturing of automotive instrumentation systems. With over 38 years of industry-leading development, we have established a robust technological ecosystem and stable, highly efficient production lines.
Our operation is built on two core premium brands, catering to diverse performance and structural modification niches:
SincoTech: A high-end, internationally engineered instrument panel brand developed in collaboration with an Australian specialist firm. It targets the demanding racing sector with high-definition displays, extreme anti-vibration metrics, and low-latency CAN telemetry.
GragonGauge: A brand specializing in comprehensive modification meters, including analog-digital tachometers, boost gauges, vacuum meters, water temperature gauges, oil temperature/pressure monitors, voltmeters, air-fuel ratio modules, and exhaust temperature displays.
Our products cover standard automotive form factors including 52mm (2 inches), 60mm (2.36 inches), and 85mm (3.75 inches), guaranteeing seamless mechanical integration into virtually any dashboard configuration.
Years of R&D Excellence
Global Powerhouse Brands
Countries Supplied Globally
Precision Inspected & Calibrated
Seamlessly bridging the gap between raw vehicle diagnostics and driver situational awareness across multiple automotive categories.
In high-stakes racing environments, driver response time depends directly on the visual latency and cognitive clarity of the dashboard interface. Our SincoTech series provides a centralized, anti-glare display that combines up to 18 critical engine parameters via high-speed sensor buses or CAN protocol links.
By eliminating multiple erratic analog dials and combining key parameters (RPM, EGT, Boost, Oil Temperature, and Air-Fuel Ratio) into a single, high-contrast LCD dashboard, drivers receive real-time, color-coded visual alerts when thresholds are breached. This critical information gain mitigates engine failure risks and improves competitive lap times.
For fleet managers and commercial vehicle operators, dashboard data accuracy translates directly to operational efficiency and regulatory compliance. Our universal 85mm GPS Speedometers and multi-function OBDII digital dashboards offer an independent, highly reliable data acquisition channel.
By bypassing traditional mechanical speed sensor points, which are prone to calibration drift due to tire wear or gear alterations, our GPS-driven and OBDII-integrated systems deliver precise, tamper-proof speed tracking and diagnostic code warnings. This setup guarantees that operators remain within safe parameters while providing precise odometer logging for maintenance schedules.
Analyzing global market demands, supply chain localization, and technical compliance in high-precision vehicle instrumentation.
The global automotive aftermarket has transitioned rapidly from basic point-to-point analog wiring to integrated digital architectures. Modern vehicle platforms utilize complex networks such as Controller Area Network (CAN-bus) and OBDII (J1979 protocols) to coordinate electronic control units (ECUs).
As a global supplier, Ruian DongOu Automobile Meter Factory design and build dashboards that serve as reliable translation layers. By processing complex hex data packages from the CAN line and converting them into real-time, readable analog or digital visual signals on our dashboards, we ensure compatibility across legacy builds, modern performance cars, and custom off-road machinery.
Global brand owners and distributors face intense market differentiation challenges. Our factory directly addresses this by providing extensive, professional-grade OEM/ODM customization services. We support custom branding, custom dial colors, backlighting spectrum changes, specific scale adjustments, and unique sensor calibration configurations.
Our facility houses precision SMT lines, ultrasonic housing assembly stations, and high-frequency calibration tables. This comprehensive control over the manufacturing lifecycle enables us to offer scalable volume manufacturing while maintaining strict sample validation gates for custom projects.
Meeting rigorous international quality benchmarks to ensure safety, reliability, and smooth cross-border supply chain integration.
Our dashboard systems are engineered to meet strict international standards, ensuring legal compliance and reliability across regions like Europe, North America, and Australia.
We use high-grade ABS housings, anti-scratch PMMA/Polycarbonate lenses, and IP67 waterproof seals to guarantee dashboard longevity in dust-heavy, vibration-heavy environments.
Equipped with professional high-speed microcontrollers that refresh display parameters in milliseconds, keeping the driver updated in real-time without signal lag.
We work closely with localized distribution partners across key hubs, delivering timely technical assistance, localized documentation, and warranty support.
Adaptable installations configured to deliver visual insight across custom dash mounts, structural consoles, and multi-gauge pods.
Pioneering next-generation vehicle telematics, intelligent display hardware, and smart sensor integration.
Traditional LCD screens often suffer from limited readability under direct, high-intensity sunlight, which can impact safety in open-top rally settings or industrial cockpits. Our engineering team is integrating high-luminance OLED and customizable RGB LED technology across all performance model lines.
These advanced displays adapt dynamically to ambient lighting conditions using integrated photo-resistors. This adjustment process optimizes contrast, reduces visual clutter, and delivers clear readability across all operating conditions.
The future of dashboard tech extends beyond simple diagnostic code translation. The next evolution of DongOu instrumentation systems introduces basic diagnostic processing logic into the dashboard firmware itself.
By analyzing data fluctuations across temp sensors, boost valves, and voltage points, the system identifies potential vehicle issues before critical alarms are triggered. Integrated Bluetooth and wireless modules enable drivers to sync performance data directly to mobile devices for subsequent analysis.
Detailed technical advice, troubleshooting, and custom ordering insights from our product support team.
A: Yes. Models like the SincoTech DO921 and DO903 OBDII racing gauges connect directly to standard OBDII diagnostics ports on post-1996 vehicles. This plug-and-play installation reads real-time speed, RPM, coolant temperature, and system voltage directly from the ECU, requiring no separate engine bay sensors.
A: SincoTech dashboards are designed for high-performance track and rally applications, integrating multiple critical telemetry channels (such as temperatures, pressures, and speed) into a single display panel. GragonGauge focuses on classic modifications, offering individual, high-precision analog-digital instruments (such as 52mm or 60mm gauges) that allow drivers to customize their layout.
A: Our 85mm GPS speedometers feature integrated high-gain antennas and use signal processing to filter out brief drops in reception (such as in tunnels or valleys). The internal odometer stores mileage locally and updates consistently as soon as the signal reconnects, bypassing transmission sensor points completely.
A: We offer comprehensive customization, including private brand logo integration on dials, custom LED backlight styling (supporting multi-color RGB changes), customized measurement ranges, custom sensor thread scaling, and custom packaging. Contact our sales department to discuss your custom project specifications.
A: Models like the SincoTech DO908 feature front panels with IP65-IP67 weatherproofing, making them ideal for watercraft, open-cockpit rally vehicles, and buggies. These units are built to withstand dust, heavy spray, and extreme vibration without fogging or display failure.
A: Yes. Our sensor arrays use standard thread formats (such as 1/8 NPT) to integrate easily with aftermarket exhaust manifolds, water jacket adapters, and oil filter plates, ensuring accurate readings on modified engines.
Complete your instrumentation setup with our range of high-precision tachometers, dashboard kits, and multi-sensor arrays.
Narrowband dashboard system equipped with a full sensor kit. High accuracy, professional track visual layout.
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Complete waterproof LCD rally dashboard kit. Includes high-durability sensor array for rally, marine, or off-road use.
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Stepper motor-driven RPM meter featuring 7-color backlight customization and adjustable shift indicator light.
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9-in-1 rally dashboard panel with wireless sensor connectivity, minimizing engine bay wiring complexity.
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High-precision individual gauges monitoring boost pressure, temperatures, EGT, and RPM. Designed for clean dashboard builds.
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Multi-functional digital display system. Pre-calibrated sensors deliver reliable performance measurements.
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Large dial design integrating RPM, water temp, oil temp, and oil pressure. Built-in adjustable shift light.
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Includes pointer display, digital odometer, and high-gain GPS antenna. Ideal for custom builds, trucks, and marine use.
View DetailsOur quality control program tracks every step of production, from raw components to final calibration checks.
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