Wholesale LCD Gauge Suppliers & Custom Manufacturing Solutions

High-Precision Digital Dashboard Panels and Modified Car Gauges for Automotive Modification Experts & Global Racing Teams

Premium Catalog Selection

Featured Universal LCD Displays, GPS Speedometers, and OLED Race Panels. Precision-engineered dashboard units for racing vehicles and modified fleets.

Wholesale 85mm GPS Speedometer

Wholesale 85mm GPS Speedometer with LCD Display and Odometer - Reliable Universal Model from China Suppliers and Factory Manufacturer, Supplier

Designed for modern automotive retrofitting and specialized utility fleets. Integrated high-performance GPS module delivers sub-second refresh latency for precise tracking.

Get Inquiry
Custom 85mm GPS Speedometer Odometer

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

The DO917 offers an elegant hybrid design, combining a physical pointer layout with a high-readability LCD screen for hybrid navigation and telemetry monitoring.

Get Inquiry
Custom 5 Inch 4 IN 1 Car Tachometer

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

Engineered for extreme RPM monitoring. Combines shift light configurations with integrated oil pressure, oil temperature, and water temperature sensors.

Get Inquiry
Wholesale Race Dash Panels OLED Digital Display

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

High-contrast 10-in-1 digital OLED instrument panel. Supplied with a robust external sensor kit to measure structural parameters in professional motorsport environments.

Get Inquiry
Waterproof Rally Car Dash Panels LCD Gauge

Custom China Suppliers Factory Waterproof Rally Car Race Dash Panels 9 in 1 LCD Gauge with Sensor Kit - SincoTech DO908 Manufacturers, Factory

The SincoTech DO908 offers high-performance waterproofing (IP65 rated), dust exclusion, and a 9-in-1 data dashboard, perfect for rally vehicles and open cockpit builds.

Get Inquiry
Custom Racing Dash Panel Wideband LCD

Custom Racing Dash Panel Multi-Function Wideband LCD Dashboard Race Dash Panel With Wideband Sensor Kit SincoTech DO926WB Suppliers, Factories

Professional diagnostic display with an integrated wideband oxygen sensor interface. Features configurable target metrics for real-time engine calibration.

Get Inquiry
Custom 52mm Double Display Car Gauge

Custom 52mm Double Display Car Gauge Water Temperature Voltage Gauge Fit for12v/24v Cars 61147 Manufacturers, Supplier

Compact dual-readout 52mm instrument gauge. Dynamically tracks water temperature and voltage, operating seamlessly across both 12V and 24V automotive architectures.

Get Inquiry
Custom Race Dash Panel Bluetooth LCD Display

Custom Multifunction Race Dash Panel DO922 - 7 Colors LCD Display Bluetooth Gauge by China Suppliers & Factory Manufacturer, Manufacturers

Features multi-color backlight controls and a high-performance Bluetooth data transceiver. Dynamically aggregates data parameters with minimal wiring overhead.

Get Inquiry

The Global Shift Toward Digital Automotive Instrumentation

Expert perspective on modern LCD vehicle interfaces, technical integration standards, and emerging industrial trends.

OEM/ODM Engineering

We provide comprehensive electronic circuit adaptation, specialized housing redesigns, custom communication firmware, and graphical user interface optimizations to align with the visual identity of global vehicle brands.

High-Contrast Display

Utilizing high-brightness TFT-LCD and OLED technologies, our dashboards maintain clear legibility even under direct midday sunlight, featuring anti-glare screen treatments and high display contrast ratios.

Multi-Protocol Link

Built-in compatibility with OBDII protocols, high-speed CAN-bus networks, and direct analog sensor ports ensures seamless data synchronization across multiple car models and performance powertrains.

DongOu Automotive Factory Production Floor
SMT Component Placement
LCD Calibrations

Established Legacy: Ruian DongOu Automobile Meter Factory

Founded in 1986, Ruian DongOu Automobile Meter Factory has spent nearly four decades at the forefront of the automotive instrumentation market. Through continuous research and development, we have established ourselves as a reliable manufacturer in China, producing digital and analog measurement systems for high-performance automotive platforms.

Our dual-brand structure allows us to serve diverse market segments: SincoTech specializes in high-end, heavy-duty racing dashboards developed in partnership with Australian engineering specialists. GragonGauge offers a comprehensive selection of aftermarket modifications, including tachometers, boost gauges, vacuum gauges, and exhaust gas temperature monitors in standard dimensions such as 52mm, 60mm, and 85mm.

Operating from our modern, ISO-compliant facilities, we handle everything from PCB layout and surface-mount technology (SMT) production to final mechanical assembly and dynamic calibration. This integrated approach ensures consistent quality for every product we deliver.

Manufacturing Scale & Global Capabilities

Decades of engineering refinement reflected in measurable performance statistics, highlighting our capacity for large-scale production and strict quality control.

38+
Years in Operation
50+
Export Markets
200K+
Annual Unit Output
100%
QC Vibration Tested

Global Distribution & Export Operations

Our distribution networks span North America, Europe, Australia, and East Asia, providing reliable logistical pipelines and localized technical support. We are committed to building high-quality Chinese automotive instrument brands that stand out in international markets.

OEM/ODM Customization Automotive Calibration Labs CAN-bus Network Analysis ISO 9001 Facility Standards

Technology & Development Roadmap

How we are advancing automotive instrumentation design, from classic analog designs to next-generation interconnected digital dashboards.

Phase 1: Precision Analogue Instrumentation & Signal Stability

Our early foundation focused on developing high-accuracy analog stepper motors and vibration-resistant movements. This research ensured reliable gauge readings in high-vibration racing and heavy-duty industrial applications.

Phase 2: Hybrid Digital-Analogue Platforms & Microcontroller Integration

We introduced high-contrast LCD screens alongside traditional analog pointers. This phase integrated advanced microcontrollers to process multiple sensor signals simultaneously, laying the groundwork for digital dashboards.

Phase 3: High-Resolution TFT/OLED Multi-Parameter Dashboards

Our current generation features bright TFT and OLED screens, displaying up to 10 key engine parameters in real time. These units support wireless Bluetooth configurations, standard OBDII connectivity, and direct CAN-bus communications.

Phase 4: Smart Connected Displays & Vehicle Telemetry Integration

Our upcoming product line will integrate real-time GPS tracking, 4G cloud diagnostics, predictive maintenance alerts, and customizable UI layouts to meet the needs of modern electric vehicles (EVs) and fleet management systems.

Industrial Applications & Integrated Solutions

Our instrumentation systems are designed for reliable performance in demanding automotive, marine, and industrial environments.

Modular Gauge Combinations

Modular Gauge Configurations

Standardized 52mm and 60mm housings allow users to build custom, multi-parameter display clusters to fit their dashboard layouts.

Integrated Dashboards

Integrated Racing Dashboards

Combines engine RPM, oil pressure, coolant temperature, and fuel levels into a single, high-contrast digital display for rapid monitoring.

Flexible Installations

Custom Installation Options

Designed with universal mounts and low-profile housings to fit neatly in A-pillars, center consoles, or custom dashboard layouts.

Expert Sourcing FAQ: B2B Procurement & Customization

Technical answers to common questions about wholesale orders, custom product development, and factory production standards.

What is the minimum order quantity (MOQ) for custom branding?

For custom brand logo printing on instrument dials and starter screens, the typical MOQ is 100 units. For fully customized housing shapes or unique circuit board designs, project-specific MOQs apply depending on the tooling required.

Do these dashboard units support custom CAN protocols?

Yes. Our SincoTech high-end dashboard series features configurable CAN-bus firmware, allowing integration with major aftermarket ECUs, including Link, Haltech, and Motec, as well as proprietary commercial vehicle CAN networks.

How do your gauges perform under direct, intense sunlight?

Our displays feature optical bonding and high-brightness backlights (up to 800 nits) combined with anti-glare outer lenses, ensuring clear legibility in high-ambient-light environments, such as open cockpits and marine cabins.

What quality control protocols are implemented at your factory?

Every batch undergoes thermal endurance tests (from -40°C to +85°C), high-frequency vibration simulations, and IP65/IP67 ingress testing. All electronic components are sourced from qualified suppliers to prevent failures caused by heat or voltage spikes.

High-Performance Racing & Modification Catalog

Explore our selection of dual-display gauges, Bluetooth dashboards, and multi-sensor instrumentation kits.

Wholesale 52mm Dual Display Tachometer Boost Gauge

Wholesale 52mm Dual Display Tachometer & Boost Gauge from China Suppliers | EGT, Water Temp, Oil Pressure & Temp Factory Grade Manufacturer, Factories

Combines digital boost pressures and analog-style tachometer sweeps in a standard 52mm housing, ideal for space-constrained vehicle dashboards.

Get Inquiry
Wholesale 52mm Car Gauge Set

Wholesale 52mm Car Gauge Set - Boost, Water Temp, Oil Temp, Oil Pressure, EGT, Tachometer - China Suppliers and Factory Supplier, Factories

A comprehensive dashboard upgrade set containing five critical engine monitors, dedicated electronic sensors, and mounting accessories.

Get Inquiry
Custom 52mm Car Gauge Set

Custom 52mm Car Gauge Set: Boost, Water Temp, Oil Temp, Oil Press, EGT, Tachometer - Quality from China Suppliers & Factory Supplier, Factory

A customizable gauge package featuring high-contrast backlighting, user-definable warning thresholds, and clean analog stepper motor movements.

Get Inquiry
Wholesale Multi-Function OBDII Gauge

Wholesale China Suppliers Factory Multi-Function Race Dash Panel OBDII Racing Gauge - 7 Color Screen & Easy Installation Suppliers, Factory

A simple plug-and-play solution that connects directly to the factory OBDII port to display real-time engine codes, diagnostic data, and performance metrics.

Get Inquiry
Wholesale 52mm Dual Display Sensors

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

Features high-frequency sampling sensors that track split-second changes in engine speed and manifold pressure for precise tuning.

Get Inquiry
Wholesale Racing Dashboard LCD OBDII

Wholesale Multi-Function Race Dashboard Racing Panels LCD Display Dashboard Racing OBDll Bluetooth Connection Racing Gauge SincoTech DO903 Supplier, Factories

The SincoTech DO903 integrates Bluetooth connectivity with an OBDII sensor module, allowing remote display configurations and real-time data streaming.

Get Inquiry
Wholesale LCD Touchscreen Gauge Panel

Wholesale Colorful LCD Touchscreen Racing Dash Gauge DO909 - Multi-Function Panel with Sensors | China Suppliers & Factory Manufacturers, Factory

Features a high-resolution color touchscreen interface for easy menu navigation and configuration of warning limits and sensor calibration tables.

Get Inquiry
Wholesale 80mm Tachometer 0-11000RPM

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

An 80mm high-RPM tachometer featuring a programmable external shift light and a 7-color backlight to match various dashboard layouts.

Get Inquiry