What Zongshen does

Zonsen (formerly Zongshen) is a Chinese-domiciled private manufacturing group that designs and produces internal combustion engines (ICE) up to 500cc capacity across vertical and horizontal shaft configurations. The company operates approximately 530,000 m² of production facilities with a workforce exceeding 30,000 employees, manufacturing over 90 million engines annually and exporting to 180+ countries. Zonsen is positioned as the 4th largest manufacturer of sub-500cc internal combustion engines globally.

The product portfolio is organized around the Zonsen Hero flagship line, with application-specific variants covering push and ride-on lawn mowers, garden tractors, tillers and cultivators, plate and jumping jack compactors, portable generators, shredders and chippers, motorcycle and scooter powertrains, and aircraft engines. Engineering emphasis is on low fuel consumption, emission-standard compliance, reinforced construction, and service-friendly architecture. Since December 2024, the group also incorporates Loncin and Ducar as wholly owned engine brands, consolidating three major Chinese ICE manufacturers under one umbrella.

Zonsen sells through two primary GTM motions: direct OEM component supply to global manufacturers (Piaggio, Harley-Davidson, BMW, Selva, Barbieri for motorcycles, plus garden and construction equipment OEMs), and exclusive regional distribution — notably Garden Parts Sp. z o.o. in Warsaw, which has served as the exclusive European representative since April 2015, providing technical advisory, after-sales support, and a multilingual B2B ordering portal. Pricing is not publicly disclosed; quotes are negotiated by volume and specification. The March 2026 rebrand from Zongshen to Zonsen signals an explicit international brand development push, supported by trade show participation (spoga+gafa 2026) and motorsport sponsorship (Garden Parts Rally Team).

Name

Zongshen

Legal name

Zonsen

Website

https://zongshen.eu

Company type

Private

Operating status

Operating

Headcount range

1–10 employees

Short description

Zonsen is a Chinese private manufacturer of sub-500cc internal combustion engines, producing 90 million units annually for OEM customers including Piaggio, Harley-Davidson, and BMW, and exporting to 180+ countries across garden, construction, power generation, motorcycle, and aviation segments.

Ownership category

akta.pro rank

Product category

Engine Manufacturing

NAICS

Motor Vehicle Gasoline Engine and Engine Parts Manufacturing (33631), Engine, Turbine, and Power Transmission Equipment Manufacturing (3336)

SIC

Engines & Turbines (3510), Motorcycles, Bicycles & Parts (3751), Aircraft Engines & Engine Parts (3724)

akta.pro primary industry

Internal Combustion Engine (ICE) Manufacturing (Gasoline/Diesel) (IMACAHAA)

Keywords

• Internal combustion engines
• Engine manufacturing
• OEM engine supply
• Garden equipment engines
• Motorcycle engines

Headquarters

HQ city

Warszawa

HQ country

Poland

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Infrastructure, Marketing or Sales

Revenue model

1. Engine Manufacturing and Sales: Zonsen generates revenue through the manufacture and sale of internal combustion engines. The company produces over 90 million engines annually, selling to OEM manufacturers and through distribution partners. Revenue comes from bulk engine orders to manufacturers of garden equipment, construction machinery, motorcycles, and aircraft.
2. OEM Component Supply: Supplying engines and powertrain components as embedded solutions to major brands including Piaggio, Selva, Harley Davidson, Barbieri, and BMW

Go-to-market motion2 records

Distribution channels3 records

Marketing channels4 records

Core offering

Zonsen manufactures and sells internal combustion engines (primarily up to 500 cc) for OEM integration into garden equipment, construction machinery, power generators, motorcycles, and aircraft. The company produces more than 90 million engines annually and supplies them directly to OEMs and through exclusive regional distribution partners such as Garden Parts in Europe.

Product overview

Zonsen (formerly Zongshen) is a manufacturer of combustion engines and power units. The company produces a comprehensive portfolio of engines organized around the Zonsen Hero flagship product line, with configurations for vertical shaft and horizontal shaft applications. The product range spans multiple engine types designed for specific equipment applications: lawn mowers, garden tractors, tillers, plate and jumping jack compactors, power generators, shredders, motorcycles, and aircraft. The company also holds sub-brands Loncin and Ducar following acquisitions. Engines are distributed through strategic partnerships including Garden Parts as the exclusive European representative. Zonsen emphasizes reliability, performance, fuel efficiency, durability, ease of service, and compliance with current emission standards.

Differentiator

Problem solved

Functional benefit

Brands

• Loncin: Engine manufacturer that joined the Zonsen group in December 2024.
• Ducar
• Garden Parts

Products and services

• Zonsen Hero Engine Line Flagship Zonsen engine product line available in vertical shaft and horizontal shaft configurations for garden equipment, construction machinery, and agricultural tools.
• Vertical Shaft Engines (Wał Pionowy) Vertical shaft engines designed for OEM integration into lawn mowers, garden tractors, and equipment requiring vertical drive configuration.
• Horizontal Shaft Engines (Wał Poziomy) Horizontal shaft engines designed for tillers, plate compactors, jumping jack compactors, generators, and other machinery requiring horizontal drive configuration.
• Engine for Lawn Mowers (Silniki do kosiarek) Engines designed for OEM integration into push lawn mowers and ride-on mowers.
• Engine for Garden Tractors (Silniki do traktorów) Engines designed for OEM integration into garden tractors and ride-on lawn mowers.
• Engine for Tillers (Silniki do glebogryzarek) Engines designed for OEM integration into soil cultivation equipment including tillers and cultivators.
• Engine for Compactors (Silniki do zagęszczarek) Engines designed for OEM integration into plate compactors and jumping jack compactors used in construction applications.
• Engine for Generators (Silniki do generatorów) Engines designed for OEM integration into portable power generators and electricity generators.
• Engine for Shredders (Silniki do rozdrabniarek) Engines designed for OEM integration into shredding and chipping equipment for municipal and garden waste processing.
• Motorcycle Engines (Silniki do motocykli) Engines for OEM integration into motorcycles and motorbike applications.
• Aircraft Engines (Silniki lotnicze) Engines designed for OEM integration into aircraft and aviation applications.
• Loncin Engines Engine brand under the Zonsen group, integrated into the company's product portfolio following the December 2024 consolidation.
• Ducar Engines Engine brand under the Zonsen group, integrated into the company's product portfolio.

Quantifiable outcome

• 90 million engines produced annually
• +2 more outcomes

Named customers5 records

Segments5 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Four partnerships are on record, tiered minor and core.

• Garden Parts Rally TeamminorGTM or Marketing Partner · 1 December 2025Garden Parts and Zonsen are official sponsors of the Garden Parts Rally Team, providing marketing visibility through motorsport participation.
• LoncincoreStrategic or Co-development Partner · 1 December 2024Loncin became part of the Zonsen group in December 2024, strengthening the group's position in the engine manufacturing industry. Loncin is now operated under the unified Zonsen umbrella alongside Ducar.
• DucarcoreStrategic or Co-development Partner · 1 December 2024Ducar is a subsidiary operating under the Zonsen group, consolidated in December 2024 alongside Loncin as part of the unified group structure.
• Garden PartscoreChannel Partner/ Reseller/ Distributor · 1 April 2015Garden Parts is the exclusive representative of Zonsen in Europe, providing complete distribution, technical advisory, and after-sales support services. The partnership enables European customers to access innovative, efficient, and reliable Zonsen power units.

Scale indicators5 records

Recent moves8 records

Expansion highlights6 records

Broad incumbents

• Yamaha Motor: Global manufacturer of motorcycles, marine products, and small engines with broad vertical integration. Comparable to Zonsen on motorcycle engine supply and small-engine applications, though Yamaha's broader portfolio and own-brand finished products put it in the broad incumbent category.
• Honda Power Equipment: Division of Honda Motor producing engines, generators, pumps, and outdoor power equipment. Operates at significantly larger scale than Zonsen and competes across the same <500cc ICE engine applications, though Honda also extends into finished consumer equipment and global OEM markets beyond Zonsen's core focus.
• Weichai Power: China's largest engine manufacturer, primarily producing heavy-duty diesel and gas engines for trucks, construction equipment, and power generation. Comparable to Zonsen on Chinese manufacturing scale and engine-manufacturing DNA, but operates at significantly larger scale and in much heavier displacement categories.

Direct peers

• Kawasaki Engines: Manufacturer of small gasoline engines for commercial and consumer outdoor power equipment, including mowers, generators, and construction equipment. Comparable to Zonsen on engine specifications, vertical/horizontal shaft configurations, and OEM supply model.
• Kohler Engines: Manufacturer of gasoline and diesel engines for outdoor power equipment, generators, and industrial applications. Closely comparable to Zonsen's <500cc ICE portfolio and OEM-embedded distribution model, particularly in the garden equipment and power generation segments.
• Loncin: Major Chinese manufacturer of motorcycles, engines, and power equipment, now operating as a subsidiary within the Zonsen group since December 2024. Historically a direct competitor to Zongshen/Zonsen, with overlapping product lines in motorcycles, generators, and small engines, and remains a peer for benchmark comparison on Chinese-market engine pricing and volumes.
• Subaru Industrial Power (Fuji Heavy Industries): Long-established Japanese manufacturer of small air-cooled gasoline engines for generators, pumps, and outdoor equipment. Directly comparable to Zonsen on engine category and target OEM applications, with a similar emphasis on durability and service-friendly design for commercial and consumer use.
• STIHL: German-headquartered manufacturer of chainsaws and outdoor power equipment with significant in-house small ICE engine production. Comparable to Zonsen on small-engine technology for outdoor/forestry applications, though STIHL is more vertically integrated into finished equipment and primarily serves consumer/professional end markets in its own brand.
• Briggs & Stratton: A leading US-based manufacturer of small internal combustion engines (primarily air-cooled, <25 HP) for lawn mowers, generators, and outdoor power equipment. Directly comparable to Zonsen on engine category, end-use applications, and OEM supply model, though Zonsen operates at meaningfully higher volume and broader geographic scale.

Emerging players

• Generac: US-based leader in backup power generators. Zonsen supplies engines into the power generation segment, and Generac is the dominant OEM buyer in this space. Comparable through their shared engine-to-generator integration focus, though Generac is a customer/adjacent rather than direct engine competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/zongshen

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Zongshen