AOT China | Generator Spare Parts Manufacturer & Supplier

About AOT Electronic Technology

AOT Electronic Technology Co., Ltd. was established in 1996 as a professional manufacturer specializing in generator spare parts, power inverters, and electronic components. With over 25 years of experience, we have built a strong reputation for reliability, innovation, and customer satisfaction across global markets.

Our manufacturing facility spans approximately 2,000 square meters and is supported by a skilled team of more than 50 engineers and technical staff. We maintain strict quality control systems and collaborate with subcontracting factories to ensure consistent production capacity and product excellence.

AOT China supplies a wide range of spare parts compatible with major generator brands, serving clients in numerous countries with successful project implementations in power generation, industrial backup systems, and remote energy solutions.

25+ Years of Industry Experience
2,000+ sqm Manufacturing Facility
Global Distribution Network
OEM/ODM Services Available

Our Featured Products

High-performance generator spare parts engineered for durability, precision, and compatibility with major brands.

SX460 AVR

Half-wave phase controlled thyristor type Automatic Voltage Regulator. Ensures stable voltage output under variable load conditions.

Type: Thyristor-based AVR
Application: Diesel Generators
Function: Voltage Stabilization

R230 Voltage Regulator

Generator Voltage Regulator R230 for Leroy Somer generators. Designed for 150kVA systems with high reliability.

Compatibility: Leroy Somer
Rated Power: 150kVA
Model: AVR R230

5110 Diesel Generator Control Module

Automatic engine control module for diesel generators. Offers full automation including start/stop, monitoring, and protection.

Function: Engine Automation
Control Type: Digital Module
Protection: Overvoltage, Overspeed

EIM 630-465 Engine Interface Module

Engine interface control module for seamless communication between generator engine and control system.

Model: 630-465
Function: Signal Interface
Application: Industrial Gensets

High Water Temperature Sensor

Infrared temperature sensor for Deutz generators. Provides real-time monitoring and overheat protection.

Sensor Type: Infrared
Compatibility: Deutz Engines
Function: Overheat Protection

ESD5500E Speed Control Unit

Electronic diesel generator speed control unit. Ensures precise RPM regulation under variable loads.

Model: ESD5500E
Function: RPM Regulation
Control: Electronic Governor

EIM PLUS 12V 258-9754

Diesel generator engine interface module for FG Wilson systems. Ensures reliable signal transmission and diagnostics.

Voltage: 12V
Compatibility: FG Wilson
Model: 258-9754

LSA432 Diode Kit

Rectifier diode kit for LSA432 diesel gensets. Ensures efficient AC to DC conversion for excitation systems.

Model: SSYC-432
Function: Rectification
Application: Excitation System

10A Intelligent Battery Charger

Automatic 12V/24V intelligent battery charger for generator starting systems. Features overcharge protection and auto-switching.

Current: 10A
Voltage: 12V/24V Auto
Function: Smart Charging

0-10 Bar Oil Pressure Sensor

VDO-type oil pressure sensor for generator protection. Monitors lubrication system and prevents engine damage.

Range: 0-10 Bar
Type: VDO Replaceable
Function: Engine Protection

FG Wilson PCB 650-092

24V printed circuit board for Olympia gensets. High-reliability control board for FG Wilson engine management.

Voltage: 24V
Model: 650-092
Application: FG Wilson Gensets

XHQ-PT Diesel Engine Stop Solenoid

12V/24V stop solenoid for generator fuel cutoff. Ensures safe and reliable engine shutdown.

Voltage: 12V or 24V
Function: Fuel Cut-off
Type: Stop Solenoid

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Why Choose AOT China?

We combine engineering excellence with global supply chain efficiency to deliver unmatched value.

Quality Assurance

Rigorous testing and ISO-compliant processes ensure every component meets international standards.

Fast Delivery

Efficient logistics network enables prompt global shipping with reliable tracking and support.

Trusted Worldwide

Serving customers in over 50 countries with proven performance in critical power applications.

Technical Support

Dedicated engineering team provides installation guidance, troubleshooting, and customization.

Frequently Asked Questions

Get answers to common inquiries about our products and services.

What types of generator spare parts do you manufacture?

We specialize in Automatic Voltage Regulators (AVR), Generator Controllers, Actuators, Speed Governors, Sensors, Battery Chargers, FG Wilson EIM and PCB modules, Solenoid Valves, Gauges, Diode Bridges, Rectifiers, and other electronic components for diesel and gasoline generators.

Are your products compatible with major generator brands?

Yes, our components are designed to be compatible with leading brands including FG Wilson, Leroy Somer, Stamford, and others. We ensure cross-compatibility through rigorous testing and specifications matching.

Do you offer OEM/ODM services?

Yes, we provide OEM and ODM services. With our in-house engineering team and flexible manufacturing capabilities, we can customize products according to your specifications, branding, and technical requirements.

What is your production capacity and delivery time?

Our facility supports large-scale production with typical delivery times ranging from 7 to 15 days depending on order size and destination. We maintain inventory of popular models for faster shipment.

How do you ensure product quality?

We implement a comprehensive quality control system that includes raw material inspection, in-process testing, final product verification, and reliability testing. Our team follows strict manufacturing protocols to ensure consistency and performance.

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AOT China – Trusted Generator Spare Parts Manufacturer