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Advanced Insulation & Heat Shield Solutions

Premium fiberglass wool and basalt fiber products for automotive, industrial, and high-temperature applications. Trusted by global partners since 2002.

About ZHIYUAN

22+ Years of Excellence in Thermal & Acoustic Insulation

Ningjin Zhiyuan New Material Co., Ltd. was established in 2002 and has since become a leading manufacturer of high-performance sound-cancelling, heat insulation, and heat-resistant fiber products. Based in Shandong Province, China, we specialize in advanced materials such as fiberglass wool, basalt fiber, and custom heat shields for automotive, industrial, and energy systems.

Our mission is to deliver reliable, durable, and high-efficiency insulation solutions that meet international standards. With over 100 experienced staff and a commitment to innovation, we serve clients across Europe, North America, Southeast Asia, and beyond.

  • 22+ Years of Industry Experience
  • 100% Quality Guarantee
  • 24-Hour Online Response
  • 365-Day Shipment Support
ZHIYUAN Manufacturing Facility

Our Core Product Lines

Engineered for Performance, Durability, and Safety

Fiberglass Wool Insulation

Fiberglass Wool Insulation

High-efficiency sound and thermal insulation material with excellent fire resistance and long-term durability. Ideal for automotive and industrial noise control.

  • • High sound absorption
  • • Fire-resistant up to 600°C
  • • Lightweight and flexible
  • • Mold and moisture resistant
Learn More
Basalt Fiber

Basalt Fiber

Natural volcanic rock-based fiber with superior thermal and acoustic insulation properties. Offers exceptional performance in extreme environments.

  • • Thermal resistance up to 800°C
  • • Excellent sound absorption
  • • Chemically inert and non-toxic
  • • Eco-friendly and sustainable
Learn More
Heat Shield

Heat Shield

Multi-layer thermal barriers designed to reduce heat transfer and protect sensitive components in engines, exhausts, and power systems.

  • • Reduces surface temperature by 30–60%
  • • Reflects radiant heat
  • • Durable stainless steel outer layer
  • • Customizable shapes and sizes
Learn More

Featured Products

High-Performance Solutions for Demanding Applications

Muffler Packing Material

Muffler Packing Material

High-density fiberglass for muffler core insulation and noise reduction.

Exhaust Insulation Blanket

Exhaust Insulation Blanket

Wrap-type insulation for exhaust manifolds and pipes.

Car Muffler Heat Shield

Car Muffler Heat Shield

Stainless steel + fiber composite for underbody heat protection.

Basalt Fiber Filling Material

Basalt Fiber Filling Material

Premium insulation for muffler cores and high-temp zones.

Fiberglass Insulated Zone

Fiberglass Insulated Zone

Custom-cut insulation for engine compartments and wiring harnesses.

Exhaust System Heat Cover

Exhaust System Heat Cover

Full-wrap protection for exhaust systems in industrial vehicles.

Engine Power Exhaust Sleeve

Engine Power Exhaust Sleeve

High-temp sleeve for performance exhaust systems.

Fire Suppression Insulation Cotton

Fire Suppression Insulation Cotton

Non-combustible insulation for fire safety systems.

Why Choose ZHIYUAN?

Reliability, Quality, and Service You Can Trust

22+

Years Experience

Trusted expertise in high-performance insulation since 2002.

24h

Response Time

Fast, reliable communication and technical support.

100+

Skilled Staff

Dedicated team ensuring quality at every production stage.

365

Shipments

Year-round logistics support and on-time delivery.

Our Commitment

FAST DELIVERY

Full stock availability and rapid dispatch options.

QUALITY ASSURANCE

100% quality guarantee — we take responsibility for every product.

GOOD SERVICE

After-sales tracking, feedback, and 24-hour response.

Frequently Asked Questions

Insights from Our Technical Experts

Will the exhaust insulation jacket age after long-term use?

Yes, exhaust insulation jackets can age due to prolonged exposure to high temperatures, moisture, and vibration. However, our basalt and fiberglass materials are engineered for long service life, typically lasting 5+ years under normal conditions.

How much can a muffler heat shield reduce surface temperature?

A properly installed heat shield can reduce surface temperature by 30% to 60%, depending on material, design, and ambient conditions. Our multi-layer shields achieve up to 200°C reduction.

What parameters should I consider when purchasing a muffler insulation jacket?

Key factors include operating temperature, thickness, density, fire rating, noise reduction level (NRR), and compatibility with installation space and environment.

Does basalt fiber insulation tape also have sound insulation properties?

Yes, basalt fiber has excellent sound absorption characteristics in addition to its thermal insulation performance, making it ideal for combined noise and heat control.

Can you customize heat shields for specific engine models?

Absolutely. We offer full customization — from CAD design to prototyping and mass production — for OEMs and aftermarket clients.

Get in Touch

Reach out for product inquiries, samples, or technical support

For direct communication with our team, please visit the official ZHIYUAN website to send an inquiry. We respond to all requests within 24 hours.

Visit Official Website

Email: yiwei.luan@njzhiyuan.com.cn

Phone: +86-534-5687772

Address: Ningjin Economic Development Zone, Shandong Province, China

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