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Precision Crankshaft Manufacturing

A national high-tech enterprise based in Dandong, Liaoning – specializing in high-power automotive, marine, and non-road engine crankshafts and die forging components for global markets.

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About Liaoning 518

Liaoning 518 Internal Combustion Engine Fitting Co., Ltd. is located in Dandong, Liaoning Province, adjacent to the New Yalu River Bridge. As a professional manufacturer of high-power engine crankshafts and forging parts, we are a backbone enterprise in marine engine crankshaft production and a nationally recognized high-tech company.

We integrate product research and development, production, and manufacturing to serve both domestic and international markets. In 2017, we entered into a joint venture with the French Sifcor Group, expanding our presence into the passenger car crankshaft market.

40+

Global Customers

500+

Service Stations

100%

Quality Focus

Factory Equipment Production Line Engine Components Quality Inspection

Our Core Values

Environmental Protection

We actively implement sustainable development principles, prioritize environmental protection, and drive industrial restructuring and pollution reduction.

Safety & Compliance

We strictly enforce production safety responsibility systems and maintain comprehensive occupational health and safety regulations.

Social Responsibility

We contribute to disaster relief, poverty alleviation, and education, ensuring economic growth aligns with social progress.

Our Products

High-precision crankshafts and die forging components engineered for performance, durability, and reliability across automotive, marine, and industrial applications.

515 Crankshaft

515 Crankshaft

1.5L Automotive Engine

  • Forged Steel
  • Precision Balanced
  • OEM Compatible
1003T Crankshaft

1003T Crankshaft

3.0L Diesel Engine

  • High Torque Design
  • Heat Treated
  • Marine & Industrial Use
1004T Crankshaft

1004T Crankshaft

4.0L Heavy-Duty Engine

  • Forged Alloy Steel
  • CNC Machined
  • Anti-Wear Coating
DB58 Crankshaft

DB58 Crankshaft

5.8L Industrial Engine

  • High Load Capacity
  • Vibration Damped
  • ISO Certified
TCD2012 L6 Crankshaft

TCD2012 L6 Crankshaft

6.06L Marine Engine

  • Corrosion Resistant
  • Saltwater Rated
  • Class Approved
BF6M1013 Crankshaft

BF6M1013 Crankshaft

7.0L Industrial Diesel

  • High RPM Stability
  • Precision Ground
  • OEM Replacement
DE08 Crankshaft

DE08 Crankshaft

8.0L Heavy Equipment

  • Forged & Tempered
  • Fatigue Resistant
  • Mining & Construction
JMC Crankshaft

JMC Crankshaft

9.0L Commercial Vehicle

  • Long Service Life
  • Low Friction Design
  • Emission Compliant
View Full Product Catalog

Advanced Capabilities

Forging Equipment

State-of-the-art forging systems ensure structural integrity and material consistency for high-load applications.

Heat Treatment

Precision hardening and tempering processes enhance durability, wear resistance, and fatigue strength.

CNC Machining

Computer-controlled machining ensures micron-level accuracy and repeatability across all components.

Inspection & Testing

Comprehensive quality control with non-destructive testing, dimensional checks, and material analysis.

R&D Center

Dedicated research team collaborating with international partners to innovate next-gen engine solutions.

Global Network

Products supplied to over 40 engine manufacturers and nearly 500 maintenance stations across China and abroad.

Our Vision

To become a professional and internationally competitive crankshaft production base, delivering precision-engineered components that power the world’s engines.

Quality Management

As a national high-tech enterprise, we maintain strict quality control systems and are committed to continuous improvement in product performance and customer satisfaction.

Frequently Asked Questions

What types of crankshafts do you manufacture?

Are you certified to international standards?

Do you accept OEM/ODM orders?

What markets do you serve?

Get in Touch

For inquiries about our crankshafts, partnerships, or technical specifications, please visit our official website to contact the team directly.

Contact Information

No.97 Beihuan Road, Zhenxing District, Dandong, Liaoning

[email protected]

[email protected]

+86-0415-6158845 (Intl)

+86-0415-6158210 (Sales)

Departments

After-sales: +86-0415-6158315

HR: +86-0415-6158352

Website: ln518c.cn

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