Wholesale Digital Dashboard Manufacturers & Supplier

High-Performance Automotive Instrumentation Systems, Custom Race Dash Panels & Integrated OBDII/GPS Telemetry Solutions Since 1986

Premium Digital Dashboard Catalog

Explore our industrial-grade digital gauges, narrow/wideband sensors, and racing dashboard systems engineered to deliver real-time metrics with zero latency.

Custom 85mm GPS Speedometer Odometer DO917

Custom 85mm Universal GPS Speedometer Pointer LCD Display Odometer With GPS Antenn SincoTech DO917 Suppliers, Supplier

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Wholesale Racing Gauge DO928

Wholesale Racing Gauge 9 in 1 Race Dash Panel Multi-Function Dashboard SincoTech DO928 Manufacturers, Factory

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Custom China Race Dash DO926NB

Custom China Race Dash Panel Multi-Function Narrowband Dashboard with Sensor Kit - SincoTech DO926NB Suppliers Factory Suppliers, Factories

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Custom OBDII Racing Gauge 7 Colors

Custom China OBDII Racing Gauge - Multi-Function Race Dash Panels, 7 Colors Screen, Easy Installation - Suppliers & Factory Direct Manufacturer, Factories

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Wholesale 2 Inches 52mm Car Gauges

Wholesale 2 Inches 52mm Car Gauge Water Temp Oil Temp Voltmeter Oil Press BAR/PSI Vacuum Boost Gauge Air Fuel Ratio EGT Gauge Manufacturers, Factories

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Wholesale 52mm Dual Display Gauge

Wholesale 52mm Dual Display Tachometer & Boost Gauge with Sensors - China Suppliers & Factory for Racing Vehicles Manufacturers, Factory

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Digital Dual Display Temp Volt Gauge

Custom 52mm Digital Dual Display Water Temperature and Voltage Gauge 12V/24V Cars - China Suppliers & Factory Quality Manufacturers, Factories

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Wholesale 60mm Car Gauge Tachometer

Wholesale 60mm Car Gauge Tachometer Voltmeter Air Fuel Ratio Oil Pressure Water Temp Boost Gauge from China Suppliers Factory Suppliers, Supplier

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The Paradigm Shift in Automotive Instrumentation

The global automotive dashboard landscape is undergoing a massive revolution. Legacy analog pointer gauges are quickly being superseded by intelligent digital dashboard systems capable of handling multi-bus telematics. Modern automotive engineers and performance racing tuners require immediate, high-fidelity visualization of engine vitals. This includes critical parameters like engine oil temperature, exhaust gas temperature (EGT), exhaust backpressure, boost pressures, air-fuel ratio (AFR) metrics, and precise tachometer RPM updates.

By leveraging high-speed CAN-bus communications, Bluetooth modules, and OBDII interfaces, digital instrument panels act as the nervous system of modern performance vehicles. At Ruian DongOu Automobile Meter Factory, we supply next-generation, high-brightness LCD and OLED race dash panels that consolidate multiple standalone meters into a single, cohesive, multi-functional telemetry hub. These dashboards feature customizable warning zones, programmable LED sequential shift lights, and external sensor expansion kits to cater to both motorsport applications and OEM utility fleets.

Automobile Meter Manufacturing Facility

Establishment & Brand Footprint

Trusted global supply chains built on four decades of mechanical engineering, chip-level R&D, and meticulous quality control.

Race Dash Panel Testing Laboratory

Established in 1986: Our History & Legacy

With more than 38 years of professional dedication, Ruian DongOu Automobile Meter Factory stands as a tier-1 pioneer in designing, developing, and manufacturing high-performance vehicle instruments. From our humble beginnings in 1986, we have expanded to become a specialized powerhouse that integrates chip-level software coding, electronic circuit board design, structural tooling, and heavy manufacturing under one roof.

To address different sectors of the global automotive marketplace, we deploy a targeted dual-brand strategy:

  • SincoTech: A high-end motorsport brand developed through an international partnership with an Australian performance engineering firm. SincoTech focuses exclusively on high-precision racing instrument panels, providing latency-free telemetry data under extreme structural vibrations.
  • GragonGauge: A specialized brand focused on aftermarket modification gauges. It covers everything from 52mm (2 inch) and 60mm (2.36 inch) to 85mm (3.75 inch) diameter gauges. This includes standalone tachometers, boost gauges, voltmeters, exhaust temperature indicators, and customizable mounting hardware.

1986

Year Established

38+

Years Industry Expertise

50+

Exporting Nations

100%

Calibrated & Tested

Global Enterprise Procurement & ODM Services

Providing custom software layouts, white-label branding, and optimized supply chains for tier-one automotive distributors.

Bespoke OEM/ODM Development

We provide full white-label and custom modification solutions. This includes designing custom boot screen graphics, configuring layout templates, embedding specific CAN-bus profiles, and adding custom brand logos to the outer frames or gauge backplates.

Multi-Protocol Integration

Whether you require standard OBDII plug-and-play dashboards for everyday sports cars, bluetooth sensor hubs, or specialized analog sensor resistor arrays for custom projects, our R&D team can adapt the dashboard firmware to meet your project's specific technical parameters.

Vibration & Thermal Testing

Every digital dash variant goes through heavy quality-assurance testing. We use temperature chambers (-20°C to +80°C) and vibration test rigs to guarantee that LCD panels, LED backlights, and stepper motor gears operate flawlessly under extreme racing or industrial conditions.

Industry Applications & Hardware Capability

Precision-made automotive gauges that can be mixed, matched, and configured for any location or vehicle setup.

Production Line Quality Check

Custom Combinations

GragonGauge offers absolute freedom of assembly. Tuners can stack boost meters, water temperature gauges, and exhaust gas sensors inside custom A-pillar pods or dashboard panels.

High Tech Dashboard Display

Integrated Telemetry

SincoTech's race dashboards display over 9 core parameters simultaneously. They integrate tachometers, water temps, voltages, boost pressures, oil temps, and speed indicators into a single display.

Vehicle Cockpit Customization

Flexible Mounting Layouts

Our mounting brackets allow you to place dashboards on top of steering columns, dashboard center consoles, or flush-mounted directly inside custom instrument panels.

Advanced System Integration and Signal Protocols

Today's custom cars demand smarter gauge designs. Standard instruments often rely on analog sensor connections, which require extensive wiring and introduce electrical noise. Our high-tech dashboard systems solve this problem by converting physical parameters into clean digital signals close to the source, or by retrieving data directly from the ECU via CAN-bus and OBDII protocols.

For custom cars that lack an OBDII port or an aftermarket ECU, our multi-function dashboards feature a dedicated sensor junction box. This box links oil pressure, exhaust temperature, boost, and water temperature sensors to the display via a single thin harness, keeping the engine bay clean. Additionally, our DO917 series utilizes advanced GPS receivers with active external antennas to guarantee ultra-accurate speed readings over ground, completely unaffected by changing tire sizes or transmission swaps.

Precision Meter Testing Machine

Technical Roadmap & Next-Gen Outlook

A look at the future of digital display tech, wireless automotive telemetry, and smart sensor integration.

Ultra-Bright Display Modules

We are integrating high-transmittance, wide-viewing-angle AMOLED displays into our dashboard line. This ensures optimal display legibility and clear contrast, even in open-cockpit race cars under direct sunlight.

Low-Energy Wireless Telemetry

Our technical roadmap includes integrating energy-efficient Bluetooth BLE chips. These chips send real-time sensor metrics directly to driver headsets, auxiliary data loggers, or pit crew diagnostics systems.

Intelligent Warning Presets

Future iterations will feature predictive alarm systems. By analyzing water temperature rise rates and drop-offs in oil pressure, the system can display warning signals before critical mechanical failures occur.

Frequently Asked Questions (FAQ) for Global Buyers

Clear, direct answers to help you navigate international procurement, custom branding, and technical compatibility.

Q1: What communication protocols do your race dashboard displays support?
Our multi-function dashboards support standard OBDII protocols (compatible with most vehicles manufactured since 1996), Bluetooth sensor hub linking, and direct input from analog sensors. We also design custom dashboards with CAN-bus transceivers, which allow integration with aftermarket ECUs like Link, Haltech, MoTeC, or AEM.
Q2: Can we customize the display's user interface, boot animation, and logo branding?
Yes. As a direct manufacturer, Ruian DongOu provides comprehensive OEM/ODM customization services. We can print your brand logo on the shell, configure custom boot screens, reprogram alert limits, adjust gauge display colors, and adapt mounting plates to meet your specific project needs.
Q3: How do your digital speedometers calculate speed, and is a transmission speed sensor required?
For models like the DO917, speed is calculated using an active GPS receiver module. It tracks position and speed directly via satellite signals, meaning no transmission connections or speed sensor calibrations are necessary. For standard models, you can connect directly to your vehicle's speed sensor.
Q4: What are your minimum order quantities (MOQ) and production lead times for wholesale?
Our MOQs are flexible, depending on whether you need off-the-shelf items or custom OEM products. Regular stocked models can ship quickly with low minimums. For bulk OEM orders that require custom firmware or printing, production lead times average 25 to 35 days from sample confirmation.
Q5: Do your gauges work with 24-volt commercial vehicles, or are they only for 12V cars?
We manufacture both 12V-only systems and wide-voltage dashboards (12V/24V compatible), such as our 52mm Digital Dual Display Water Temperature and Voltage Gauges. Please verify the voltage specification of your selected model before placing a bulk order.
Q6: How do you guarantee long-term performance under harsh, vibrating environments?
We use high-grade stepper motors, automotive-quality components, and dust-resistant housings. Every batch undergoes thermal cycling and vibration testing to ensure our gauges remain calibrated and reliable, even in demanding motorsport environments.

Additional Dashboard Solutions

Complete your instrumentation setup with our advanced tachometer series, multi-color LCD gauges, and replacement sensor kits.

Custom 80mm Tachometer Supplier

Custom 80mm Tachometer 0-11000RPM with 7 Colors Backlight – China Suppliers & Factory High Speed Stepper Motor RPM Meter Manufacturer, Supplier

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Custom Racing Dashboard DO921

Custom Dashboard Racing Multi-Function Race Dash Panels 7 Colors Screen OBDll Racing Gauge SincoTech DO921 Manufacturer, Manufacturers

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Wholesale Bluetooth Gauge DO922

Wholesale China Suppliers Factory Multi-Function Race Dash Panel with 7 Colors LCD Display & Bluetooth Gauge - DO922 Supplier, Factory

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Wholesale Wideband LCD Dash DO926WB

Wholesale Multi-Function Wideband LCD Racing Dash Panel with Sensor Kit - China Suppliers & Factory DO926WB Manufacturer, Manufacturers

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Wholesale 80mm Tachometer

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

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Custom Racing Dash DO921 Supplier

Custom China Suppliers Factory Dashboard Racing Multi-Function Race Dash Panels OBDII Gauge 7 Color Screen SincoTech DO921 Supplier, Factories

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Custom LCD Dash DO926WB

Custom Multi-Function Wideband LCD Dashboard Race Dash Panel with Sensor Kit - China Suppliers and Factory - DO926WB Supplier, Factories

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Wholesale Racing Dash DO928

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

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