Wholesale Dashboard Gauge Manufacturer & Supplier

OEM/ODM Automotive Instrumentation, Racing Displays, and Custom Gauges Engineered for Uncompromised Precision Worldwide

Featured Instrumentation & Sensor Kits

Explore our primary range of custom racing displays and multi-function dashboards integrated with proprietary sensors.

Custom Colorful LCD Touchscreen Racing Dash Gauge

DO909 Touchscreen Racing Gauge

Custom Colorful LCD Touchscreen Racing Dash Gauge complete with full high-precision sensor kit. Engineered for professional motorsports telemetry.

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Custom Multi-Function Race Dashboard LCD Display

OBDII Bluetooth Racing Gauge

Custom Multi-Function Race Dashboard LCD Display with seamless OBDII Bluetooth connection. Easy plug-and-play installation for modern ECUs.

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Custom 52mm Digital Dual Gauge Water Temp Voltage

52mm Digital Dual Gauge

Custom 52mm dual display gauge monitoring water temperature and electrical voltage simultaneously. Suitable for both 12V and 24V applications.

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Wholesale 60mm Car Gauge Set

60mm Performance Gauge Set

Complete 60mm gauge configuration: Tachometer, Voltmeter, Air-Fuel Ratio, Oil Pressure, and Water Temp gauges for comprehensive engine monitoring.

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Custom 5 Inch Car Tachometer Sensors

5-Inch 4-in-1 Tachometer

Custom 5" high-visibility racing tachometer integrated with water temp, oil temp, and oil pressure readouts. Complete with automatic shift light.

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Custom Dual Display Tachometer Boost Gauge

52mm Dual Display Gauge

High-contrast tachometer & boost gauge combining exhaust gas temperature (EGT), water temperature, oil temp, and oil pressure displays.

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Custom China Multi-Function Race Dashboard DO922

DO922 7-Color Race Dashboard

Custom 7-color multi-function digital race dash. Provides telemetry data visualizer for 12V performance vehicles and street tuners.

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Custom 52mm Boost Tachometer Voltmeter

52mm 7-Color Custom Gauge

Versatile 52mm gauge switching seamlessly between boost, RPM, voltmeter, AFR, water temp, oil temp, and EGT. Features a 7-color backlight system.

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Global Commercial & Industrial Status of Vehicle Instrumentation

In the modern automotive and heavy industrial landscapes, real-time data visualization is no longer a luxury—it is a critical operational safety and efficiency requirement. As internal combustion engines reach their highest power densities and hybrid/electric drivetrains introduce high-voltage telemetry demands, standard factory dashboards frequently fall short. Performance tuners, commercial fleet operators, and industrial vehicle manufacturers require highly reliable, fast-refresh, and customized display setups.

Globally, the shift from traditional mechanical bimetallic coils to microchip-controlled step-motors and high-definition TFT digital displays is accelerating. The market demands instrumentation that can interpret CAN-bus signals, interface via Bluetooth OBDII, and survive extreme environments featuring high vibrations, thermal cycles, and direct sunlight exposure. From high-altitude racing to industrial machinery operations, dashboard gauges serve as the primary defensive line against catastrophic mechanical failures.

Ruian DongOu Automobile Meter Factory Office
Precision Gauges Manufacturing
1986
Established Year
38+
Years Industry Experience
50+
Global Export Countries
2
Premier Brands (SincoTech & Gragon)
Custom dashboard installation close up
Dashboard gauges in action

Ruian DongOu Automobile Meter Factory: Decades of Engineering Authority

Established in 1986, Ruian DongOu Automobile Meter Factory has evolved from a local component manufacturer into a globally recognized powerhouse for automotive instrumentation. Over nearly four decades, our technical engineers have pioneered integration techniques, stabilizing step-motor movement and perfecting LCD contrast under high glare.

Our dual-brand strategy ensures focused developmental pipelines targeting unique market demographics:

  • SincoTech: Developed in strategic collaboration with a leading Australian engineering firm, SincoTech represents our premium line of professional racing dashboards. These products focus on CAN-bus connectivity, OLED/LCD touchscreen responsive metrics, and integrated high-speed sensor kits that record up to 18 operational vehicle parameters simultaneously.
  • GragonGauge: Dedicated to modified street cars and aesthetic styling integrations. This brand covers core analog and digital instruments such as tachometers, boost/vacuum readouts, exhaust gas temperature (EGT), voltmeters, and dual air-fuel ratio meters. They are offered in industry-standard dimensions of 52mm (2 inches), 60mm (2.36 inches), and 85mm (3.75 inches) to easily fit standard A-pillar pods and custom dash panels.

Technical Roadmap & Instrument Architecture

We design our products around the three pillars of digital telemetry: Signal Processing, Physical Robustness, and Human-Machine Interface (HMI).

CAN-bus & Bluetooth Telemetry

Ditching redundant analog wiring protocols, our SincoTech dashboards utilize high-speed microcontrollers to translate OBDII packets instantly over Bluetooth. Display latency is limited to under 10ms, rendering real-time RPM curves without visible lag.

Optical Bonding & Anti-Glare

High-contrast outdoor readability is achieved through advanced optical bonding of LCD panels to the outer glass. This eliminates air gaps, minimizes internal reflection, and prevents condensation build-up in high-humidity racing environments.

Precise Step-Motor Actuation

Our modified analog series uses micro-step control drivers providing up to 3200 steps of angular resolution. This ensures needle movements are smooth, highly accurate, and completely immune to rough off-road shocks.

China Supply Chain Resilience & Manufacturing Powerhouse

How our location in the heart of Ruian's automotive industry hub translates to unparalleled value for global distributors.

Ruian, Zhejiang is recognized as the "Capital of Automobile and Motorcycle Parts" in China. Operating within this dense industrial cluster enables Ruian DongOu Automobile Meter Factory to maintain direct access to raw material processing plants, SMT PCB assembly lines, and high-precision plastic injection molders. This geographical proximity reduces transit times for sub-components to near-zero, creating a highly resilient supply chain that remains unaffected by global logistics bottlenecks.

Key indicators of our manufacturing infrastructure include:

  • In-house SMT Line: Complete control over surface mount technology ensures that lead-free solder joints on our driver boards resist vibrations that exceed standard automotive road tests.
  • Advanced Inspection Protocols: Every batch undergoes strict temperature testing cycles ranging from -40°C to +80°C to ensure stable physical operation in regions from Northern Europe to the Middle East.
  • Tooling Customization: By leveraging our cluster's tooling expertise, we can develop custom plastic enclosures, bezel finishes, and mounting pods in less than 30 days.
Factory workshop interior
Testing equipment close-up
PCB assembly checks
Final calibration room

Localized Application Scenarios & Global Compliance

Our customized dashboards and aftermarket gauges are engineered for various regulatory and geographical environments.

1. High-Performance Racing (Australia & USA)

In hot desert environments, managing radiator flow and monitoring oil temp is critical. Our SincoTech DO926WB wideband displays utilize genuine Bosch oxygen sensors to measure exhaust ratios precisely, preventing lean-burn failures during competitive circuit racing.

2. Commercial Fleet Integration (Europe)

European Union transport regulations place heavy emphasis on driver cabin safety and low emissions. Our multi-function dashboard systems read ECU data directly over CAN-bus, showing instant warning alerts if exhaust gas temperatures (EGT) exceed safe thresholds.

3. Restorations & Modified Street Cars (Asia-Pacific)

For custom tuners combining new blocks with vintage frames, our GragonGauge 52mm analog pods offer classic physical design styling while utilizing modern digital stepper motors internally to read hybrid analog/digital sensor outputs.

Compliance & Regulatory Standards Met: All products are designed to meet CE, RoHS, and FCC certifications, ensuring safe installation on roads worldwide. We guarantee raw material tracing for RoHS lead-free solder compliance on every exported batch.

Certification document 1 Certification document 2

Flexible Cockpit Customization

No matter where you are, we bridge the distance with custom instrumentation solutions.

Combination Layout of Gauges

Combination Configurations

Mix and match individual 52mm and 60mm gauges in single, double, or triple dash pods. Perfectly match warning thresholds across all display modules.

Integrated Dashboard Panel

Integrated Digital Clusters

Consolidate up to 18 critical parameters into a single high-definition display. Simplify standard vehicle wiring with unified harness networks.

Custom Placement Dash Mounting

Universal Panel Mounting

Engineered for installation versatility. Secure our brackets on the A-pillar, center console, or standard instrument cluster cutout across various platforms.

Frequently Asked Questions (FAQ)

Detailed technical responses to help procurement managers and global distributors make informed decisions.

What OBDII protocols do SincoTech and GragonGauge support?

Our digital dashboards, including the DO909, DO922, and DO928 series, support standard international protocols: ISO9141-2, ISO14230-4 (KWP2000), ISO15765-4 (CAN-bus), and SAE J1850 (PWM/VPW). This ensures seamless compatibility with most 12V OBDII vehicle fleets manufactured post-1996.

Can you print custom brand logos (OEM/ODM branding)?

Yes, as a direct manufacturer, we offer full OEM services. We can print your brand logo onto the gauge faces, customize startup screens for LCD clusters, customize backlighting modes, and design custom consumer boxes for volume orders.

What is the difference between DO926NB (Narrowband) and DO926WB (Wideband)?

The DO926NB is a narrowband display panel designed for standard street applications where broad air-fuel measurements are sufficient. The DO926WB features an integrated wideband oxygen controller card, calibrated for high-precision tuning and professional motorsports applications.

How does Ruian DongOu ensure step-motor durability in high-vibration environments?

We design our step motors with heavy-duty copper gears and high-temperature magnetic rotors. Every gauge design is subjected to vibration sweep testing from 10Hz to 500Hz to prevent pointer wobble and internal component fatigue.

What is the MOQ (Minimum Order Quantity) for customized gauges?

For standard catalog items, we offer low MOQ requirements to assist wholesale distributors. For fully custom designs involving brand logo printing or structural plastic modification, our MOQs vary between 100 and 500 units depending on tooling complexity.

Explore the Extended Catalog

From narrowband dashboards to heavy-duty gauge clusters, find the exact match for your project specifications.

Wholesale Multi-Function Narrowband Dashboard

DO926NB Narrowband Dashboard

Wholesale Multi-Function Narrowband Dashboard featuring a complete sensor integration kit. Perfect for cost-effective engine monitoring.

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Custom Multi-Function Race Dash Panel DO926NB

DO926NB Race Panel Edition

Custom China Multi-Function Race Dash Panel DO926NB. Provides real-time readings from our specialized engine bay sensor lines.

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Wholesale 2 Inch Car Gauge Set

52mm 4-Gauge Fleet Bundle

Wholesale 2 Inch (52mm) car gauge kit monitoring water temp, oil temp, voltage, and oil pressure. Designed for logistics fleet conversions.

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Wholesale 9 in 1 Racing Dash Panel

SincoTech DO928 9-in-1 Panel

Wholesale 9-in-1 professional racing display by SincoTech. High brightness, low latency dashboard designed for rally and track racing.

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Wholesale 2 Inches 52mm Car Gauge Set

52mm Analog Dial Set

Wholesale 2-inch mechanical-look stepper motor gauge series tracking water/oil temperature, voltage, and oil pressure metrics.

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Custom Race Dash Panel Bluetooth LCD Display

DO922 Bluetooth LCD Display

Custom Multifunction Race Dash Panel DO922 with integrated Bluetooth connection module. Real-time data logging and wireless ECU pairing.

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Custom Multi-Function LCD Dashboard SincoTech DO926WB

SincoTech DO926WB Wideband Cluster

Premium custom multi-function wideband dashboard system. Packaged with a high-accuracy oxygen sensor calibration kit.

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Custom 52mm Boost Tachometer Voltmeter 7 Color

52mm Boost & Tachometer Combo

Custom 52mm high-accuracy boost pressure gauge and tachometer combination unit. Features customizable 7-color backlight cycling.

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