• Professional Engine Customization

    Parameter Tailoring, Factory Direct Wholesale & Technical Support

  • Bespoke Engine SolutionsBuilt For Your Needs

    Custom Parameter Design, Factory Direct Wholesale & Full-cycle Technical Support

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  • Factory Direct EngineCustom Production

    Flexible MOQ Customization, Competitive Pricing & On-time Global Delivery

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Why Choose Us? A Trusted Manufacturer

Liaocheng Zhongqing Electromechanical develops and manufactures civil UAV piston and micro turbojet engines. Supported by in-house production and testing, we supply reliable power for logistics, mapping, fire monitoring, crop spraying and inspection UAVs, with custom power solutions available.

OE Original Standard

Full production inspection, stable performance, direct replacement for famous brand parts

Full Industry Chain

In-House Mold Making & Processing, strict control of raw materials and product quality

Mass Production Capacity

200,000+ yearly output, stable delivery for bulk orders

Custom Solution

Support OEM/ODM, custom size, logo and wiring specification

Complete Export Documents

We provide MSDS, test reports, and OE parameter documents for customs clearance.

Best-selling OE replacement engines

A comprehensive range of high-precision, durable starters suitable for construction machinery, marine vessels, and heavy-duty vehicles.

Two-cylinder general-purpose aero-engine (Model: SZ120)

This is a lightweight 110cc twin-cylinder horizontally opposed air-cooled two-stroke engine with 11.81PS (8.68kW), weighing 3.05kg including ignition, manual start and electronic ignition for pusher and tractor equipment.

Two-cylinder general-purpose aviation engine (Model: SZ170)

This is a 170cc twin-cylinder horizontally opposed air-cooled two-stroke engine with 19.01PS (13.97kW), weighing 4.105kg including ignition, manual start, solid-state magneto ignition, for pusher and tractor equipment.

Two-cylinder general-purpose aero-engine (SZ275)

This is a 274cc twin-cylinder horizontally opposed air-cooled 2-stroke engine producing 22HP (16kW), featuring solid-state magneto ignition, electric start, 7.8kg lightweight design, 100–150kg load capacity, and supports flight altitude below 4000m, with optional exhaust pipe, 24V starter and 28V/1.2kW generator.

Two-cylinder general-purpose aero-engine (SZ350)

This is a 342cc two-cylinder horizontally opposed air-cooled two-stroke engine with 32PS (23.16kW) power, 8.57kg weight including ignition, electronic ignition and manual start, applicable for pusher and tractor devices with 1:50 fuel-oil mix.

Two-cylinder general-purpose aero-engine (SZ500)

This is a 30kW two-cylinder horizontally opposed air-cooled two-stroke engine featuring solid-state magneto ignition, 500cc displacement, 17kg dry weight, 18L/h fuel consumption, compatible with pusher and tractor setups, with optional 24V starter and 30×26 inch propeller.

Four-cylinder general-purpose aero-engine (SZ550)

This is a 4-cylinder horizontally opposed air-cooled 2-stroke aero engine with 37kW (50HP) power at 7500rpm, 548cc displacement, 16kg net weight, supporting 150–200kg payload and operation below 4000 meters, fueled by 95# unleaded gasoline or 100LL aviation gasoline with 1:50 two-stroke fully synthetic lubricant, equipped with four diaphragm all-position carburetors and electric start, with optional exhaust pipe, 24V starter motor and 28V 1.2kW generator.

Professional Factory Strength

Fully automated production, strict quality inspection and stable mass production capacity for global bulk orders.

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Global Partners & Market Reach

A reliable supplier trusted by clients in over 50 countries worldwide.

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Annual Output

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Product Models

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Export Countries

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Years Manufacturing Experience