Wholesale Multi-Function Dashboard Suppliers & Factories

Next-Gen High-Performance Automotive Instrumentation Systems Designed for Modern Race Tracks, Modified Vehicles, and Industrial Fleets

Premium Performance Instrumentation Lineup

Explore our elite range of high-precision digital dashboards, multi-function LCD telemetry panels, and custom stepper-motor gauges.

  • DO907 10 in 1 Race Dash Panel OLED Digital Display Dashboard

    DO907 10 in 1 Race Dash Panels OLED Digital Display Dashboard with Sensor Kit

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  • DO926WB Multi-Function Wideband LCD Dashboard

    Custom Multi-Function Wideband LCD Dashboard by SincoTech DO926WB with Oxygen Sensor

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  • 52mm Car Gauge Boost, Water Temp, Oil Temp, EGT, Tachometer

    Wholesale 52mm Car Gauge Set: Boost, Water Temp, Oil Temp, EGT, Tachometer Instruments

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  • DO922 Multifunctional Race Dash Panel with 7 Colors LCD Display

    Custom Multifunctional Race Dash Panel DO922 with 7 Colors LCD Display for 12V Vehicles

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  • DO926WB Wideband LCD Racing Dash Panel with Sensor Kit

    Wholesale DO926WB Multi-Function Wideband LCD Racing Dash Panel with High-Precision Sensor Kit

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  • DO904 Rally Race Dash Panels Bluetooth LCD Kit

    Custom Rally Race Dash Panels 9 in 1 Gauge Bluetooth LCD Race Dashboard Kit SincoTech DO904

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  • 80mm Tachometer 0-11000RPM High Speed Stepper Motor

    Custom 80mm Tachometer 0-11000RPM High Speed Stepper Motor Gauge with 7 Colors Backlight

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  • DO921 Custom Racing Dashboard OBDII Gauge

    Custom Dashboard Racing Multi-Function Race Dash Panels OBDII Racing Gauge SincoTech DO921

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Ruian DongOu Automobile Meter Factory Plant

Establishment & Heritage: Over Four Decades of Instrumentation Excellence

Established in 1986, Ruian DongOu Automobile Meter Factory is a professional enterprise dedicated to the research, development, and production of high-performance automotive instrumentation systems. Since our inception, we have cultivated deep expertise in the global automotive electronics industry, building a mature and complete technical system and possessing stable and efficient production capabilities. We have established an outstanding reputation globally for delivering precision instrument clusters, high-speed stepper motor meters, and advanced OBDII telemetry systems.

Our operation encompasses two distinct, internationally recognized brands, each carefully targeted to meet unique market needs:

  • SincoTech: A high-end instrument panel brand developed in partnership with a leading Australian automotive technology company. Focuses primarily on the racing and track-day sectors, providing low-latency telemetry data under extreme structural vibration and thermal stress.
  • GragonGauge: Specializes in modified aftermarket instruments, covering core parameters such as tachometers, boost gauges, vacuum gauges, water temperature gauges, oil temperature gauges, oil pressure gauges, voltmeters, air-fuel ratio gauges, and exhaust gas temperature (EGT) gauges. Available in universal sizes including 52mm (2 inches), 60mm (2.36 inches), and 85mm (3.75 inches).
Factory R&D Office
Precision Calibration Lab
Assembly Line

Why Partner with Ruian DongOu

A synthesis of advanced engineering, rigorous testing, and robust global logistics built over 38+ years.

Four Decades of Expertise

Established in 1986, we have specialized in automotive instrumentation for over 38 years. Our engineering team possesses unmatched domain knowledge in CAN-bus protocols, signal processing, and display hardware stability.

Complete Customization

We provide OEM and ODM services, including personalized logo branding, custom start-up screen designs, adjusted alarm parameters, and proprietary housing modifications for specialized vehicles.

Rigorous Quality Control

Equipped with precision testing benches, multi-axis vibration tables, and environmental chambers, our dashboard products maintain high reliability across temperature ranges of -40°C to +85°C.

Reliable Hardware Capabilities for Safe Driving

Our factory boasts dedicated SMT automated patch production lines, precision instrument calibration chambers, and comprehensive testing systems. Under our strict internal ISO9001 quality framework, we ensure that every single product shipped matches the precision required for high-speed tracking and extreme motor racing.

ISO9001 Certified CE & RoHS Compliant Patent Protected
38+
Years Industry Focus
60+
Export Countries
100%
Quality Control Inspected

China Factory 4.0: Supply Chain Resilience & High-Yield Efficiency

In the automotive aftermarket and professional motorsports procurement sector, delivery delays can lead to cascading delays in vehicle builds and racing season disruptions. At our Ruian manufacturing center, we have transitioned our workflows into a highly responsive, digitalized framework aligned with Industry 4.0 principles.

By leveraging local electronic clustering advantages in the Zhejiang automotive components hub, we secure priority access to critical microprocessors, OLED matrix screens, and high-purity sensor casings. This domestic integration protects our global B2B clients from regional supply bottlenecks, ensuring consistent dispatch cycles even during high global demand periods.

"By integrating real-time component traceability with our automated Surface Mount Technology (SMT) production lines, we reduce manufacturing variance to less than 0.05%, guaranteeing performance reliability in high-vibration off-road and race track conditions."

Our raw material sourcing undergoes automated mechanical inspection, followed by double-pass wave soldering. Completed PCB assemblies are subjected to high-frequency vibration stresses and high-low temperature thermal cycling (ranging from -45°C to +90°C) before final housing assembly. This systematic process ensures that when you wholesale from us, you receive products engineered for endurance.

Key Supply Chain Capabilities

  • Flexible Batch Production: Rapid tool shifts support low-MOQ trials alongside high-volume seasonal manufacturing runs.
  • Component Inventory Reserves: We maintain a rolling safety stock of premium LCD panels and microcontroller units (MCUs) to mitigate standard component shortages.
  • Optimized International Shipping: Close proximity to major shipping ports (Ningbo and Shanghai) translates to rapid transit times and reduced ocean freight logistics expenses.
  • Direct Technical Support Access: Our B2B clients interface directly with our primary system design engineers, accelerating product development cycles.

Technology Roadmap & Digital Interface Development

Analyzing the progression of display platforms, from traditional stepper motors to wideband high-definition LCD interfaces.

Modern vehicle builders and fleet administrators require real-time engine telemetry that extends beyond basic tachometer readings. Our product roadmap outlines a transition from single-function analog gauges to integrated, multi-protocol systems capable of tracking up to 18 critical parameters simultaneously.

The SincoTech series, including models like the DO907 OLED and the DO926WB Wideband LCD, utilizes high-performance microcontroller units (MCUs) to parse incoming OBDII data or direct analog sensor signals. By processing these data packets at millisecond refresh intervals, our dashboards deliver accurate real-time telemetry, helping racing teams identify minor engine irregularities before they lead to mechanical failures.

Dashboard Platform Display Panel Tech Signal Input System Monitored Parameters Key Operational Advantages
SincoTech DO907 Series OLED Digital Matrix Sensor Kit / Direct Analog 10-in-1 (RPM, Speed, Boost, EGT, Oil/Water Temp, etc.) OLED high contrast, self-illuminating display, ideal for outdoor racing environments.
SincoTech DO926WB Series Wideband LCD Interface Sensor Kit & OBDII Sync Multi-Parameter Wideband Comprehensive visualization, direct digital sensor kit compatibility, dynamic warnings.
SincoTech DO904 Series Rally LCD Module Bluetooth Telemetry Kit 9-in-1 Performance Indicators Wireless connection simplifies installation, layout minimizes interior dash clutter.
GragonGauge Modification series LED Backlit Stepper Motor Analog 12V Sensor Inputs Single Dedicated Gauge Cost-effective, highly accurate stepper response, modular mounting solutions.

Future Vision: Telematics Integration & AI Diagnostics

Our upcoming research and development efforts are focused on integrating dashboard displays with cloud telematics platforms. By pairing localized dashboard units with custom cellular gateway accessories, fleet managers will be able to monitor remote machinery diagnostics, real-time operating locations, and driver safety behaviors via a centralized cloud console.

Environmental Endurance & IP65 Standard Styling

To support off-road rally applications, marine use, and open-cabin agricultural machinery, our engineering division has designed specialized weather-resistant enclosures. Sealed bezels combined with waterproof sensor connectors protect the system against moisture ingress, dust buildup, and structural vibration.

Macro Solutions for Diverse Global Industries

Providing precision instrumentation systems tailored to professional motorsports, commercial fleets, and custom vehicle modification shops.

Professional Motorsports

Our high-end SincoTech dashboards provide low-latency telemetry data under extreme structural vibration and thermal stress. The high-contrast OLED matrix displays ensure clear visibility in direct sunlight during high-speed races.

Aftermarket Modifications

With our GragonGauge brand, we offer aftermarket shops a comprehensive selection of stepper-motor-driven gauges. These products feature customizable backlighting and multiple mount variants for simple cluster integration.

Commercial Fleet Operators

For heavy machinery and logistics vehicle systems, our multi-function dashboards integrate exhaust temperature monitoring, oil pressure alarms, and system voltage readings to support preventive maintenance.

Global Procurement & Localized Compliance Support

Operating as an international automotive equipment manufacturer requires meeting strict localized compliance standards. Ruian DongOu Automobile Meter Factory maintains direct certification compliance across major global regions to facilitate importing processes for B2B purchasers:

  • North America (US & Canada): Our OBDII dashboard platforms (such as the DO921 and DO926WB) comply with EPA standard OBD protocols, allowing for straightforward plug-and-play installation in compatible light duty passenger trucks.
  • European Union (CE & RoHS): All electrical circuit board designs use lead-free soldering and comply with Directive 2011/65/EU (RoHS) standards, helping to ensure smooth importation through European customs checkpoints.
  • Asia-Pacific (E-Mark & Local Regulations): Select professional racing instruments conform to vehicle safety and electromagnetic compatibility guidelines, providing structural reliability under diverse global regulatory standards.

Industry Applications & Deployment Scenarios

Engineered to deliver high accuracy and reliable instrumentation across diverse and demanding automotive environments.

Various Gauges Custom Combined Layout

Custom Instrument Groupings

Our modular cluster designs allow aftermarket shops to pair high-speed stepper gauges with centrally mounted digital telemetry dash screens.

Dashboard Integrates Multiple Parameters

Unified Multi-Parameter Hubs

Consolidate critical data points including EGT, boost pressure, water temp, and oil pressure onto a single high-visibility display.

Dashboard Installation Flexibility

Flexible Interior Placement

Our slim chassis profiles and adjustable bracket configurations accommodate mounting setups on steering columns, roll bars, or central consoles.

Global Distribution Capability

With over four decades of history, Ruian DongOu Automobile Meter Factory has grown from a local parts manufacturer into a supplier with distribution networks spanning North America, Europe, Australia, and East Asia. We provide comprehensive OEM/ODM engineering support, white-label packaging, and direct factory after-sales technical consulting to global buyers.

Global Partner Commitments:

"We are committed to building long-term relationships with global distributors, performance tuning shops, and fleet vehicle outfitters, providing reliable product quality and dedicated technical support."

Custom & Specialized Instrumentation Products

View our additional specialized instruments, auxiliary gauges, and sensor kits optimized for vehicle projects.

  • Custom 2 Inch 52mm Car Gauges Water Temp Oil Temp Voltmeter

    Custom China 2 Inch 52mm Car Gauge Set: Water Temp, Oil Temp, Voltmeter, Oil Pressure

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  • DO916 3.5 Inch LCD Racing Gauge with Sensor Kit

    Wholesale 3.5 Inch LCD Racing Gauge with Sensor Kit - Multi-Function Racing Dashboard

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  • 52mm Car Fuel Level Gauge with LED Display

    Custom 2 Inches 52mm Car Fuel Level Gauge with LED Display for 12V/24V Vehicles

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  • DO908 9 in 1 LCD Rally Car Race Dash Panel

    Custom 9 in 1 LCD Rally Car Race Dash Panel with Waterproof Sensor Kit SincoTech DO908

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  • DO908 9 in 1 LCD Gauge Kit for Rally Car Dashboard

    Wholesale Factory 9 in 1 LCD Gauge Kit for Rally Car Race Dashboard SincoTech DO908

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  • DO926NB Custom Race Dash Panel Multi-Function Dashboard

    Custom Race Dash Panel Multi-Function Dashboard with Sensor Kit SincoTech DO926NB

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  • DO909 Colorful LCD Touchscreen Racing Dash Gauge

    Wholesale Colorful LCD Touchscreen Racing Dash Gauge DO909 Multi-Function Panel

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  • 2 Inches 52mm Car Gauge Set: Water Temp, Oil Temp, Voltage

    Wholesale 2 Inches 52mm Car Gauge Set: Water Temp, Oil Temp, Voltage, Oil Pressure

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Frequently Asked Procurement Questions

Providing direct answers to technical queries, minimum order volumes, customization capabilities, and integration requirements.

How do SincoTech dashboards interface with different vehicle engines?

Our multi-function dashboards offer two primary connection methods. Models like the DO921 connect directly to the standard 12V OBDII diagnostic port on compatible vehicles to parse telemetry data wirelessly or via wire harness. For older classic cars, racing project cars, or industrial vehicles without a standard OBDII port, we supply dedicated analog sensor kits (DO926WB, DO907) that tap directly into physical engine ports to monitor water temperature, oil temperature, oil pressure, and exhaust gas temperatures.

What is the factory minimum order quantity (MOQ) for custom B2B production?

For standard wholesale orders of our existing SincoTech and GragonGauge models, we maintain low MOQ thresholds to support initial market testing. For customized OEM designs featuring proprietary branding, modified start-up displays, or custom housing molds, the typical MOQ requirement starts at 100 units, depending on the complexity of the engineering changes.

How do you test your dashboards to ensure durability under harsh track conditions?

Each product line undergoes strict quality validation in our manufacturing facility. We subject units to automated high-frequency vibration testing to simulate rough racetrack conditions, thermal chamber aging (operating under temperatures between -40°C to +85°C), and water-resistance testing for models featuring an IP65 rated casing (such as the DO908 rally dash series).

Are there metric and imperial unit switching options built into the software?

Yes, our software systems support unit toggling. Users can switch speedometer readouts between Miles per Hour (MPH) and Kilometers per Hour (KM/H), temperature measurements between Fahrenheit (°F) and Celsius (°C), and pressure parameters between PSI and BAR, making these units adaptable for diverse international markets.

How does the Bluetooth sensor telemetry function on the SincoTech DO904 system?

The DO904 kit utilizes a central interface processor box that connects directly to the analog engine sensors in the engine bay. This transmitter box converts the physical signals into digital data and transmits it wirelessly over Bluetooth to the LCD dashboard panel mounted in the passenger cabin, simplifying installation by reducing the number of wires routed through the firewall.