Featured Products

At KRK Industrial, we are committed to delivering excellence in engine performance. We offer a comprehensive range of services designed to meet the needs of our automotive and industrial clients. Our expertise in piston ring technology ensures that every service we provide contributes to improved engine efficiency, reliability, and longevity.

OUR PRODUCTS

We offer a wide variety of piston rings

  1. Automotive Piston Rings

Ideal for passenger cars, commercial vehicles, and heavy-duty engines

Features: High resistance to wear, excellent sealing properties, and optimal heat dissipation

Applications: From commercial vehicles to everyday vehicles

      2.Industrial Piston Rings

Customizable to fit various industrial machinery

Features: Robust design, resistance to extreme pressures, and extended lifespan

Applications: Heavy machinery, construction equipment, and manufacturing plants

     3.Marine Piston Rings

Built for endurance in harsh marine conditions

Features: Corrosion resistance, long-lasting durability, and efficient sealing under pressure

 Applications: Marine engines, fishing boats, and cargo ships

Automotive Piston Rings

Industrial Piston Rings

Marine Piston Rings

Need a piston ring with specific measurements or materials?

We offer tailored manufacturing services to meet your unique requirements. Contact us to discuss custom orders.

Why Choose KRKFIRE Piston Rings

– Premium Materials: We use only the finest-grade alloys and advanced coatings to ensure maximum wear resistance and thermal stability.

– Innovative Engineering: Our piston rings are designed with precision engineering to provide a perfect seal, reducing friction, enhancing power, and minimizing oil consumption.

– Stringent Quality Control: Each piston ring undergoes rigorous testing to meet and exceed OEM and international quality standards, giving you peace of mind and exceptional performance.

– Custom Solutions: Need something specific for unique applications? KRK Industrial offers custom piston ring solutions tailored to your needs.

Piston Ring Categories and Materials:

  • Ductile Cast Iron

    Ductile cast iron, also known as nodular iron, is prized for its unique blend of strength, flexibility, and durability. Unlike traditional cast iron, ductile iron contains small amounts of magnesium, which changes the material’s structure to increase elasticity without compromising toughness. This makes ductile cast iron an excellent choice for piston rings in engines that experience high stress, as it can absorb and distribute pressure more effectively, enhancing reliability and extending the lifespan of the engine.

  • Alloy Cast Iron

    Alloy cast iron is a highly durable material commonly used in piston rings due to its excellent wear resistance, thermal conductivity, and strength. By adding specific alloying elements such as nickel, chromium, and molybdenum, alloy cast iron enhances its ability to withstand high temperatures and pressure, making it ideal for demanding engine environments. This material's superior hardness ensures long-lasting performance, reducing the frequency of replacements and improving engine efficiency.

  • Nitriding Steel

    Nitriding steel is a high-performance material treated with a nitriding process, where nitrogen is diffused into the steel surface. This creates a hardened outer layer that is exceptionally resistant to wear, corrosion, and high temperatures. Ideal for piston rings that operate in extreme conditions, nitriding steel provides enhanced longevity and maintains consistent performance. Its wear-resistant properties make it particularly suited for applications where longevity and minimal maintenance are key considerations.

  • Steel Spacer Ring

    Steel spacer rings are components for gasoline engines designed to maintain the correct spacing and alignment within a piston assembly. Made from high-quality steel, these rings are highly durable and offer excellent stability under high temperatures and pressures. Steel spacer rings help prevent friction and ensure smooth engine operation, contributing to the overall efficiency and longevity of the piston system. Their strength and precision ensure that each piston ring functions optimally, maximizing engine performance.

HOW IT WORKS

Easy Steps

Our process at KRK Industrial is designed to ensure that you receive top-quality piston rings tailored to your needs in the most efficient way possible. Here’s how it works

Model Selection and Specifications

Quote and Order Confirmation

Initial Payment

Manufacturing

Sample Review (Optional)

Final Payment

Order Preparation and Delivery

Shipping and Documentation

KRK Industrial Production Scene

Let’s drive the dream with high performance rings

At KRK Industrial Production, we specialize in the production and worldwide distribution of high-quality piston rings. We provide both standard and custom-engineered solutions tailored to meet the unique demands of automotive engines, industrial machineries, and marine uses. 

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WhatsApp: +86-13958805636

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Zhejiang KRK Industrial Co.,Ltd