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Premium Engine Parts
Manufactured to Perfection

CTPR is a leading manufacturer and supplier of high-performance piston rings, engine bearings, cylinder liners, pistons, and engine valves. With over 20 years of expertise, we deliver reliability, precision, and innovation to global automotive industries.

20+ Years

Industry Experience

1-Year Warranty

Quality Guaranteed

80% Export Rate

Global Reach

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About CTPR

Welcome to Guangzhou ShuangCheng Auto Parts Co., Ltd., operating globally as CTPR — a trusted name in the automotive engine components industry. Established in the heart of Guangzhou, our strategic location ensures seamless access to sea, land, and air transport networks, enabling efficient global delivery.

Founded by a team of seasoned professionals with over a decade of experience in automotive manufacturing, CTPR combines technical excellence with a relentless commitment to quality. We specialize in the production of piston rings, engine bearings, cylinder liners, pistons, and engine valves — all engineered for durability and peak performance.

Our in-house foundry allows us to produce high-grade gray and nodular cast iron piston ring blanks, ensuring complete control over material quality and manufacturing precision. At CTPR, innovation meets reliability.

Learn more about our capabilities
CTPR Manufacturing Facility

Our Products

Engineered for performance, durability, and precision — CTPR delivers top-tier engine components trusted by automotive manufacturers and repair specialists worldwide.

Standard Compression Piston Ring 4BA1

Standard Compression Piston Ring 4BA1

Seals combustible gas in the combustion chamber; ensures optimal compression and engine efficiency.

  • Compression & Oil Ring Types
  • Elastic Metal Ring Design
  • Heat Conduction & Sealing
Chrome Plated Piston Ring 4JG2

Chrome Plated Piston Ring 4JG2

Chrome-plated for enhanced durability and resistance to wear in high-pressure environments.

  • Prevents Gas Leakage to Oil Sump
  • Regulates Oil Consumption
  • Ensures Maximum Engine Power
High Performance Piston Ring K4E

High Performance Piston Ring K4E

Designed for high-output engines requiring superior sealing and thermal conductivity.

  • Sealing & Oil Control
  • Heat Transfer Optimization
  • Support & Guidance Function
Corrosion Resistant Piston Ring 4JB1

Corrosion Resistant Piston Ring 4JB1

Specialized coating resists corrosion in harsh operating conditions and extended service life.

  • Anti-Corrosion Coating
  • High-Temperature Stability
  • Ideal for Marine & Industrial Use
Piston Ring C240

Piston Ring C240

Versatile design suitable for a wide range of diesel and gasoline engines.

  • Dual Function: Seal & Scrape Oil
  • Precision Machined Tolerances
  • High Elasticity & Recovery
Engine Bearing

Engine Bearing

High-load capacity bearings designed for crankshaft and connecting rod applications.

  • Anti-Friction Design
  • High Fatigue Resistance
  • Smooth Surface Finish
Cylinder Liner

Cylinder Liner

Precision-engineered liners for optimal piston movement and heat dissipation.

  • Wear-Resistant Material
  • Thermal Stability
  • Perfect Bore Finish
Engine Valve

Engine Valve

High-performance intake and exhaust valves for maximum airflow and longevity.

  • Heat & Corrosion Resistant
  • Precision Stem Tolerance
  • Optimized for High RPM
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Why Choose CTPR?

From advanced manufacturing to global logistics, CTPR offers unmatched value in engine component supply.

In-House Foundry

We produce our own gray and nodular cast iron blanks, ensuring material consistency and quality control.

Cutting-Edge Machining

Advanced CNC and precision grinding ensure tight tolerances and superior surface finishes.

Global Export

80% of our production is exported to over 50 countries, trusted by OEMs and distributors.

1-Year Warranty

We stand behind every product with a comprehensive warranty and technical support.

20+
Years in Industry
80%
Export Rate
50+
Countries Served
1
Year Warranty

Frequently Asked Questions

What types of piston rings does CTPR manufacture?

CTPR produces both compression rings and oil rings. Our product line includes standard, chrome-plated, high-performance, and corrosion-resistant piston rings for various engine types and applications.

Do you offer custom piston ring solutions?

Yes, we provide OEM and ODM services. Our engineering team can develop custom piston rings based on your specifications, drawings, or samples.

What is the warranty period for CTPR products?

All CTPR engine components come with a 1-year warranty against manufacturing defects, ensuring confidence in quality and performance.

How does CTPR ensure product quality?

We use in-house casting, precision machining, and rigorous quality control at every stage. Our processes comply with international standards and are verified through material testing and dimensional inspection.

Can I get product catalogs or technical data sheets?

Yes, visit ctpr-sc.com to download our latest product brochures, technical specifications, and case studies.

Get in Touch

Have questions about our products or need a custom solution? Reach out to our team today.

RYAN_912438824@163.COM

Our team typically responds within 24 hours.

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