Custom Digital Car Dashboard Manufacturers & Supplier

Empowering global automotive industries, racing teams, and tuning houses with high-performance telemetry and tailormade instrumentation systems.

Featured Solutions

Custom Digital Dashboards & Performance Telemetry

Explore our high-precision multi-function dashboards and sensors engineered for demanding motorsport and passenger modifications.

Custom 5 Inch 4 IN 1 Car Tachometer with Shift Light & Sensors
Multi-Gauge Kit

Custom 5 Inch 4 IN 1 Car Tachometer with Shift Light & Sensors - China Suppliers Factory for Water Temp, Oil Temp, Oil Pressure Suppliers, Supplier

An all-in-one analog-digital racing instrument integrating precise RPM monitoring, water temperature, oil temperature, and oil pressure monitoring in a compact 5-inch form factor.

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Wholesale 9-in-1 Waterproof LCD Rally Car Gauge Kit
Waterproof LCD

Wholesale 9-in-1 Waterproof LCD Rally Car Race Dash Panel Gauge Kit from China Suppliers and Factory - SincoTech DO908 Manufacturers, Factories

Engineered for harsh rally conditions, featuring a IP65 waterproof design, real-time telemetry processing, and a high-resolution back-lit display for rapid driver feedback.

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Custom 52mm Boost Tachometer Voltmeter Gauge 7 Colors Backlight
52mm Series

Custom 52mm Boost Tachometer Voltmeter Water Oil EGT Temp Oil Pressure Gauge - China Suppliers Factory with 7 Colors Backlight Suppliers, Factories

Compact 52mm dashboard meters customizable for pressure, boost, temperature, and electrical diagnostics, featuring a selectable 7-color ambient backlight system.

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Wholesale 80mm Tachometer 0-11000RPM 7 Colors Backlight
High RPM Tach

Wholesale 80mm Tachometer 0-11000RPM with 7 Colors Backlight - China Suppliers and Factory for Motorsport Performance Manufacturer, Factory

High-precision motor-driven 80mm scale tachometer sweeping up to 11,000 RPM, ideal for competitive motorsport platforms and high-revving platforms.

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Wholesale China Suppliers Factory SincoTech DO904 Rally Race Dash Panels
Bluetooth Dashboard

Wholesale China Suppliers Factory SincoTech DO904 Rally Race Dash Panels - 9 in 1 Bluetooth LCD Gauge Dashboard Sensor Kit Manufacturer, Supplier

Harnesses seamless wireless Bluetooth communication to link sensors with the digital central panel, eliminating complex firewall wire routing.

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Wholesale Race Dash Panels OLED Digital Display
OLED Matrix

Wholesale China Factory Suppliers 10 in 1 Race Dash Panels OLED Digital Display Dashboard with Sensor Kit for Racing Cars Manufacturer, Supplier

Ultra-bright OLED digital panel offering self-illuminated viewing in direct sunlight. Includes physical sensor module integrations for advanced track diagnostics.

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Custom 5 Inch Car Tachometer Sensors China Factory
Custom Tach

Custom 5 Inch 4 IN 1 Car Tachometer & Sensors – China Factory Suppliers for Water Temp, Oil Temp, Oil Pressure, RPM Manufacturers, Factories

Engineered for direct installation. Displays real-time critical parameters: Water Temperature, Oil Temperature, Oil Pressure, and highly accurate RPM pulses.

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Wholesale 60mm Car Gauge Set
60mm Dial Set

Wholesale 60mm Car Gauge Set: Tachometer, Voltmeter, Air Fuel Ratio, Oil Press, Water Temp - China Suppliers & Factory Options Supplier, Factories

A complete package of modular dashboard electronics matching a classic high-performance 60mm layout. Fully calibrated sensors for critical systems monitoring.

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The Evolution of Vehicle Telemetry: From Analog Clusters to Smart Custom Digital Dashboards

The global automotive instrumentation landscape is undergoing a massive shift. High-resolution digital displays are replacing legacy mechanical dials. Modern custom digital dashboards serve as centralized data processors. They do not just monitor speed; they aggregate telemetry, manage systems diagnostics, and interface with Engine Control Units (ECUs). Leading suppliers must engineer systems that balance real-time computing power with extreme physical durability.

As a leading custom digital car dashboard manufacturer and supplier, Ruian DongOu Automobile Meter Factory has pioneered this shift since 1986. We combine classical precision instrumentation engineering with next-generation processing platforms, offering global automotive sectors highly reliable options optimized for racing, consumer tuning, fleet diagnostics, and specialized machinery application.

“Modern dashboard displays are no longer passive indicators; they are high-speed analytical hubs. Delivering accurate engine metrics at sub-millisecond speeds is vital for track safety and system performance verification.”

Global Industry Outlook & Demand for Digital Telemetry

The global automotive digital cockpit market size continues to surge. Growth is driven by the shift toward electric vehicles (EVs), driver assistant systems, and motorsport telemetry integration. Fleet operators and custom vehicle fabricators are moving away from proprietary closed loops toward modular, open CAN bus systems. This trend allows custom parameters to be programmed into dynamic LCD and OLED displays.

Purchasing managers and system integrators now demand dashboards that handle multiple protocols. These dashboards must easily interface with classic sensor arrays (resistance/voltage signals) and direct digital systems like OBDII or J1939 CAN protocols. Our SincoTech and GragonGauge systems are engineered to bridge these technologies, offering both legacy analog compatibility and digital high-speed bus connectivity.

Manufacturing Efficiency & Technological Innovation: The Wenzhou Automotive Cluster

Located in Ruian, Wenzhou—the capital of China’s automotive and motorcycle component manufacturing industry—our facilities enjoy unmatched supply chain efficiency. This concentration allows us to source raw components, high-grade PCBs, custom housing enclosures, and specialized microchips with short lead times and low logistical costs.

China's factory efficiency is not just about labor output; it is about highly integrated design-to-assembly ecosystems. By managing all engineering in-house—from surface-mount technology (SMT) board population to liquid injection casing design and optical display lamination—we maintain competitive pricing while enforcing strict manufacturing quality controls. Global OEMs trust us to deliver prototype samples in days rather than months.

Ruian DongOu Automobile Meter Factory Main Facility
High-Tech Instrumentation Inspection Line
Precision Assembly and Calibration Process

Technical Reliability: Hardware Optimization for Extreme Operating Environments

Automotive electronics must withstand extreme temperatures (-30°C to +80°C), constant engine vibration, and electromagnetic interference (EMI). A consumer tablet cannot serve as a reliable instrument cluster; custom digital dashboards require automotive-grade components.

At Ruian DongOu Automobile Meter Factory, our engineering focus targets structural integrity and signal processing quality. We use advanced multi-layer PCBs, waterproof sensor plugs, and high-brightness optical bonding technologies to prevent dust entry and condensation, ensuring clear visibility in direct sunlight. Our products undergo rigorous testing, including thermal cycling chambers, drop vibration tests, and high-pressure water spray booths, proving their reliability on dusty rally tracks, open seas, or standard roads.

38+
Years of R&D Expertise
50+
Export Countries & Regions
2
Established Global Brands
100%
Factory-Direct Quality Control
Why Choose DongOu Gauge

Our Manufacturing Advantages

Relying on advanced technology and a strict quality control system to deliver high-performance automotive metrics worldwide.

Four Decades of Expertise

With over 38 years of dedicated focus on automotive instrumentation, we have built deep industry knowledge, a mature technical system, and a solid reputation for reliability and efficiency.

Dual-Brand Portfolio

Our two core brands, SincoTech for high-end racing and GragonGauge for diverse modifications, offer a complete and precise solution for every performance and customization need.

Customized OEM Services

Our company provides customized automotive gauge services, supporting the customization of your own brand logo. We can also adjust the appearance, display range, and other core parameters according to your requirements.

Global Trust & Recognition

Our products are sold worldwide and have earned high praise for stable performance, excellent user experience, and comprehensive after-sales support, building a strong international reputation.

DongOu Production Floor - Assembly Line
Quality Inspection Stations
Finished Product Aging Testing
Packaging Operations for Export Orders
R&D Laboratory Diagnostic Setup
Materials Verification Laboratory
Industry Applications

Engineered for Any Road, Track, or Fleet

No Matter Where You Are, Make Care Without Distance. Our instrumentation adapts seamlessly to various operating parameters and cockpit designs.

Various Gauges Can Be Freely Combined

Various Gauges Can Be Freely Combined

Our instruments support modular configurations. Mix oil temperature indicators, boost monitors, voltmeters, and tachometers together to build a bespoke system matching your cockpit layout.

Dashboard Integrates Multiple Core Vehicle Parameters

Dashboard Integrates Multiple Core Vehicle Parameters

Perfect for rally racing and enthusiast vehicles. Combine tachometers, oil pressure alerts, speedometers, and exhaust temperature readouts into a single centralized digital command panel.

Can Be Installed in Any Location According to Preference

Can Be Installed in Any Location According to Preference

Flexible hardware brackets and slim, lightweight displays allow dashboard units to be mounted on steering columns, center consoles, or structural roll bars for optimized driver viewing.

Hot Release Catalog

Hot Products

Discover our latest engineering accomplishments featuring premium OLED matrix screens, Bluetooth links, and integrated sensors.

2 Inches 52mm Car Gauge
GragonGauge

2 Inches 52mm Car Gauge Water Temp Oil Temp Pressure

Compact gauge housing featuring high-response stepper motors, direct analog wire connections, and integrated warning thresholds.

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Racing Gauge 9 in 1 Race Dash Panel
SincoTech

Racing Gauge 9 in 1 Race Dash Panel Multi-Function Kit

Covers 9 key parameters of racing cars. Features 4 display modes. Newly updated interface for instant driver monitoring.

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Dashboard Racing Multi-Function Race Dash Panels
SincoTech

Dashboard Racing Multi-Function Race Dash Panels OBDII Bluetooth

1. Easy installation, plug and play. 2. Suitable for most 12v vehicles with OBDII systems, integrating 7 display colors.

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Race Dash Panel Multi-Function Dashboard Sensor Kit
Sensor Kit Included

Race Dash Panel Multi-Function Dashboard Sensor Kit

Bundled multi-function dashboard kit equipped with external temperature, oil pressure, and exhaust gas sensors for high-accuracy telemetry.

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2 Inches 52mm Car Fuel Level Gauge
Fuel Level

2 Inches 52mm Car Fuel Level Gauge with Float Sensor

Highly accurate electronic fuel level gauge designed for 12V/24V vehicles, including an adjustable fluid level float sensor.

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52mm Double Display Car Gauge
Double Display

52mm Double Display Car Gauge Water Temp/Oil Press

Saves dash space by rendering two data streams simultaneously on a split-screen layout with customizable LED alerts.

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5 Inch 4 IN 1 Car Tachometer
High Sweep RPM

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

Large format cluster integrating key motor outputs. Features adjustable shift warning lights and robust sensor connections.

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52mm Boost Tachometer Voltmeter Air-Fuel Ratio
Tuning Series

52mm Boost Tachometer Voltmeter Air-Fuel Ratio Water Temp

Comprehensive tuning solution offering seven user-selectable backlight colors and accurate analog sweeps for 12V cars.

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52mm Car Gauge Dual Display
Dual OLED

52mm Car Gauge Dual Display Tachometer RPM Volt Boost

Combines digital numerical readouts with high-precision color-changing peripheral LEDs for fast, intuitive readings during race conditions.

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New Arrivals

New Product Recommendations

Explore our latest product recommendations designed to upgrade your vehicle's telemetry system.

3.5 Inch Race Dashboard Multifunction
Slim Form Factor

3.5 Inch Race Dashboard Multifunctional LCD Racing Gauge

1. Covers 18 kinds of important parameter data of racing cars, farewell to cumbersome multi-gauge panels. Includes alarm thresholds.

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10 in 1 Race Dash Panels OLED
10-in-1 OLED

10 in 1 Race Dash Panels OLED Digital Display Dashboard

1. High-brightness and high-definition OLED display, which can adjust brightness automatically. Complete external sensor kit included.

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Multi-Function Race Dashboard Racing Panels
Plug & Play

Multi-Function Race Dashboard Racing Panels LCD display

1. Digital Multi Gauge Display: Features a digital multi-gauge display, providing essential engine readouts over OBDII / Bluetooth link.

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Global Footprint

Ruian DongOu Automobile Meter Factory

Established in 1986, we have grown from a local manufacturing workshop into a global provider of digital car dashboards and instrumentation solutions. Our products are exported to North America, Europe, Australia, and Southeast Asia, earning trust across international motorsport and automotive tuning sectors.

We are committed to building an international brand of automotive instrumentation, breaking the stereotype of entry-level Chinese manufacturing by delivering high-quality, durable, and technologically advanced products.

40+ Years of History

Deep industrial knowledge and stability in mass supply chain procurement.

Comprehensive OEM/ODM Services

Supporting layout design, custom housing sizing, firmware coding, and packaging branding.

Global Distribution Channels

Partnering with regional distributors and logistics hubs to reduce lead times worldwide.

Ruian DongOu Global Distribution Headquarters
All Telemetry Systems

Explore Our Full Range of Digital Dashboards & Gauges

Filter through our comprehensive catalog of motorsport, classic car restomod, and fleet diagnostic clusters.

Wholesale 80mm Tachometer 011000RPM 7 Colors Backlight
80mm Gauge

Wholesale 80mm Tachometer 0~11000RPM with 7 Colors Backlight - China Factory Suppliers for Motorsports Performance Manufacturer, Factories

Designed for motorsport vehicles requiring rapid RPM sweep feedback. Features selectable backlight schemes and manual warning threshold pins.

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Custom China Suppliers SincoTech DO908 9-in-1 LCD Rally Car Dash Panel
Professional Rally

Custom China Suppliers SincoTech DO908 9-in-1 LCD Rally Car Race Dash Panel with Waterproof Sensor Kit from Factory Suppliers, Factories

IP65 dust-tight and waterproof chassis designed for open-cockpit racers, off-road buggies, and watercraft. Includes complete sensor array wiring loom.

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Wholesale Multi-Function Racing Dash Panel
DO928 Series

Wholesale Multi-Function Racing Dash Panel - 9 in 1 Race Gauge by China Suppliers | Factory Direct SincoTech DO928 Manufacturer, Supplier

Features high-brightness LCD, integrated alarm indicator LEDs, and direct sensor wire routing to minimize system communication latency.

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Wholesale 85mm Universal GPS Speedometer with LCD Display
GPS Telemetry

Wholesale 85mm Universal GPS Speedometer with LCD Display & Odometer - China Suppliers Factory SincoTech DO917 Manufacturer, Supplier

Bypasses traditional mechanical transmission cables. Connects to GPS satellites to calculate true speed over ground. Ideal for custom builds.

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Wholesale Multi-Function Narrowband Dashboard with Sensor Kit
Narrowband Gauge

Wholesale Multi-Function Narrowband Dashboard with Sensor Kit - China Suppliers & Factory | SincoTech DO926NB Manufacturers, Supplier

Offers real-time engine parameter processing. Features diagnostic display limits tailored for everyday performance street tuning.

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Wholesale 9-in-1 LCD Rally Car Dash Panel with Sensor Kit
Waterproof Race

Wholesale 9-in-1 LCD Rally Car Dash Panel with Sensor Kit - Waterproof Race Dashboard from China Suppliers and Factory - SincoTech DO908 Manufacturer, Factories

Complete rally instrumentation bundle featuring a waterproof display housing and standard sensor kits, optimized for mud, dust, and water exposure.

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Custom 52mm Boost Tachometer Voltmeter Water Temp Oil Temp EGT Oil Press
52mm Complete

Custom 52mm Boost Tachometer Voltmeter Water Temp Oil Temp EGT Oil Press 7 Colors Backlight - China Suppliers Factory Manufacturer, Factory

Compact 2-inch gauge line customizable to display oil pressure, exhaust gas temperatures, and engine diagnostics with a multi-color LED display.

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Custom Colorful LCD Touchscreen Racing Dash Gauge
DO909 Touchscreen

Custom Colorful LCD Touchscreen Racing Dash Gauge with Full Sensor Kit - China Suppliers Factory DO909 Suppliers, Factory

Interactive touchscreen interface allowing drivers to toggle display themes, set alerts, and review historical performance metrics directly from the display.

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Technical Q&A

Frequently Asked Questions

Technical insights from our engineering team on integration, protocols, custom manufacturing, and global shipping.

Do your custom digital dashboards support standard CAN bus and OBDII communication protocols?
Yes. Our advanced digital dashboards (such as the SincoTech DO921 and DO926 series) feature integrated OBDII interfaces and support standard ISO 15765-4 CAN protocols. They decode diagnostic messages to display parameters like engine coolant temperature, RPM, throttle position, and system voltages without requiring individual physical sensor wiring. For older carbureted or non-OBDII engines, we provide dedicated physical sensor kits to capture these readings directly.
What level of OEM/ODM customization is available for wholesale orders?
We offer comprehensive OEM/ODM customization. As direct factory operators, we can customize startup screen logos, physical housing enclosures (materials, dimensions, and finishes), backlighting colors, and warning light behaviors. We can also modify parameter limits and translate system languages to match your local market. Custom brand packaging and silkscreen brand printing on bezel glass are also available for qualified volume orders.
How do your waterproof dashboards (e.g., SincoTech DO908) perform in open-air cockpits?
The SincoTech DO908 features an IP65 waterproof housing, making it highly resistant to dust and moisture ingress. This design makes it suitable for marine vehicles, open-air off-road buggies, and motorcycles. The sensor connections are sealed with water-resistant rubber boots to prevent moisture damage under high vibration or heavy rain.
How does Ruian DongOu ensure quality and accuracy during mass production?
We operate under a strict quality management system refined over 30 years of manufacturing experience. Each batch of digital dash panels undergoes thermal stress chambers (-35°C to +80°C) to prevent thermal drift. We utilize automated calibration machines to verify sensor accuracy across the entire display range. Before packaging, every unit is subjected to an continuous aging test to guarantee long-term field reliability.
What are the standard lead times for international logistics?
Standard catalog orders typically ship within 7–15 working days if raw components are in stock. For bulk OEM orders requiring hardware adjustments or custom branding, typical production schedules range between 25 and 45 days. We coordinate directly with major global freight carriers to manage sea, air, and express delivery services with customs clearance processing.

Looking for a Reliable Digital Dashboard Partner?

Collaborate with Ruian DongOu Automobile Meter Factory to access factory-direct pricing, customized branding options, and reliable engineering support. Reach out to our technical team today to request samples or get a quote.

Contact Our Engineering Team