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Factory Direct Excellence

LEIYA & ERAYAK Leading Generator Manufacturer from Wenzhou, China

With over decades of experience, we provide high-quality inverter generators, portable power stations, hybrid inverters, and off-grid energy systems for clients around the globe.
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Hot Products

We offering products such as portable inverter generators, pure sine wave generators, open-frame inverter generators, and traditional generators.

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Generator Wholesale Guide

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Introduction

For distributors and importers, sourcing generators from China is a strategic decision that directly impacts market competitiveness, customer satisfaction, and long-term brand growth. Price alone should never be the only decision factor. Product reliability, correct power configuration, fuel adaptability, certification compliance, and after-sales support are equally critical.

Erayak, manufactured by Leiya Power, is a professional generator brand dedicated to providing stable, efficient, and market-oriented power solutions. This purchasing guide is written specifically for distributors and wholesalers, helping you select the right generator models for different markets and applications.

Generator Classification for Wholesale Markets

Understanding generator classification helps distributors avoid incorrect model selection and mismatched market positioning. Generators are commonly classified by power phase, fuel type, starting method, and technology.

Classification by Power Phase

Single-phase generators are typically rated below 5kW and are mainly used for residential backup power, camping, RVs, and light commercial applications. These models are among the best-selling products in Europe and North America.

Three-phase generators usually start from 10kW and above. They are mostly diesel-powered and designed for industrial applications such as factories, construction sites, farms, and workshops.

Classification by Fuel Type

Fuel type preference varies greatly by region. Erayak provides a full fuel solution portfolio:

- Gasoline generators: widely accepted for household and portable use

- Diesel generators: preferred for long runtime and heavy-duty workloads

- LPG / natural gas generators: cleaner combustion and safer fuel storage

- Dual-fuel generators: gasoline and LPG flexibility

- Tri-fuel generators: gasoline, LPG, and natural gas compatibility

For distributors, multi-fuel generators offer stronger market adaptability and reduce inventory risk.

Classification by Starting Method

Starting method directly affects user experience. Common configurations include recoil start, electric start, and remote start. Most Erayak generators combine electric start with recoil backup to ensure reliability in all conditions.

Classification by Technology

Conventional generators provide higher power output and cost efficiency, making them suitable for job sites and backup power.

Inverter generators produce pure sine wave output, ensuring safe operation of sensitive electronics such as laptops, smartphones, medical devices, and communication equipment.

Key Factors When Choosing Generators for Distribution

Power Output Selection

Power output must be selected based on real application scenarios. Distributors should always evaluate both starting watts and running watts.

For home emergency backup, a generator with at least 3,000W running power is recommended. This capacity is sufficient to support lighting systems, refrigerators, freezers, televisions, routers, and mobile device chargers.

For outdoor tools, construction sites, or small commercial operations, power ranges between 3,500W and 6,500W are more suitable.

Fuel Efficiency and Runtime

Runtime is one of the most important selling points for end users. Conventional gasoline generators equipped with a 3–4 gallon fuel tank typically operate for 10–12 hours at 50% load.

Inverter generators automatically adjust engine speed according to load demand, significantly reducing fuel consumption under light loads.

Ease of Starting and User Experience

End users strongly value easy start-up, especially during emergency situations. Electric start generators improve convenience, while recoil start systems ensure dependable backup. Erayak designs its generators to minimize start-up failures and reduce after-sales issues for distributors.

Noise Level Requirements

Noise regulations and consumer expectations vary by market. Inverter generators typically operate at 50–58 dB, making them ideal for residential neighborhoods, camping, and RV use.

Low-noise generators often achieve higher margins and stronger customer satisfaction.

Portability and Structural Design

Generators are heavy products that must be designed for easy transportation. Most Erayak generators include wheel and handle kits, while compact inverter generators feature lightweight frames for manual carrying.

Warranty, Spare Parts, and After-Sales Support

A clear warranty policy and stable spare parts supply are critical for distributors.

Erayak provides a one-year warranty covering manufacturing defects, along with lifetime technical support. Consumable parts such as spark plugs, air filters, and batteries are excluded from warranty coverage.

Leiya Power maintains long-term spare parts production to support distributor after-sales service.

Why Distributors Choose Erayak & Leiya Power

- Professional generator factory in China

- OEM and ODM customization support

- Stable production capacity and strict quality control

- Experience serving Europe, North America, and Southeast Asia

- Support for private label and distributor branding

Erayak focuses on long-term cooperation rather than one-time transactions.

Conclusion

Selecting the right generator supplier is a key step in building a sustainable distribution business. With professional manufacturing capabilities, flexible product configurations, and reliable support, Erayak and Leiya Power provide distributors with confidence and long-term value.

Our advantages

Over the years, we have continuously innovated, optimized production processes, and expanded our product line to meet the ever-changing market demands. 

ProfessionalProfessional

Professional

Over 20+ years industry experience
One Stop SupplyOne Stop Supply

One Stop Supply

More than 10 series, 200 items, can meet the diverse needs of customers
High EfficiencyHigh Efficiency

High Efficiency

Rich R&D team and launch at least 2 new products every year
Authoritative CertificationAuthoritative Certification

Authoritative Certification

Comply with:GS, CE, E-MARK, RCM, ETL, FCC
Quality AssuranceQuality Assurance

Quality Assurance

From the feeding, processing, PCBA, welding, assembly, testing and other aspects of strict quality control.
Custom ServiceCustom Service

Custom Service

Personalized product design and service for specific customers / markets / countries

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Looking ahead, Erayak Technology will continue to focus on customer-centricity, drive technological advancements, and provide reliable power solutions to clients globally.

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FAQ

We have made a general analysis of your questions

We believe that during the purchase and use of our electric generator, you may encounter some questions. Regarding some common issues, we have provided the following answers.

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