Premium Insulation Materials for Global Industries

Huaneng Zhongtian International Trade Co., Ltd. is a leading manufacturer of high-performance insulation solutions including rock wool, glass wool, rubber plastic, foam glass, phenolic boards, and nano aerogel felt. With 35+ years of innovation and nearly 100 patented technologies, we deliver energy-efficient, fire-resistant, and durable materials trusted across construction, HVAC, petrochemical, and industrial sectors.

Explore Our Products

About Huaneng Zhongtian

Founded in 1985, Huaneng Zhongtian Energy Conservation Technology Group Co., Ltd. is a premier production base for rock wool and rubber insulation materials in northern China. With over 35 years of expertise, we have dedicated ourselves to researching and developing advanced energy-saving and thermal insulation solutions for buildings and industrial applications.

Our facility spans 420 acres and employs more than 1,000 professionals. We have actively participated in drafting and revising national standards and hold nearly 100 patent certifications, underscoring our commitment to innovation, quality, and sustainability.

35+ Years of Industry Leadership
420-Acre Manufacturing Campus
Over 1,000 Skilled Employees
100+ Patent Certifications

Our Products

We offer a comprehensive range of high-performance insulation materials engineered for durability, fire resistance, thermal efficiency, and environmental safety. Each product is manufactured under strict quality control and meets international standards.

Rock Wool Board

A dense and durable insulation material ideal for walls, roofs, and industrial equipment. Offers excellent fire resistance (up to 1000°C), sound absorption, and thermal performance.

Rock Wool Roll Felt

Flexible mineral wool insulation used in HVAC systems, pipelines, and industrial applications. Provides superior thermal and acoustic insulation with high tensile strength.

Glass Wool Blanket

An innovative and efficient insulation solution for ceilings, ducts, and equipment. Lightweight, non-combustible, and resistant to moisture and mold.

Rubber Plastic Board

Made of high-density rubber and plastic, this board offers excellent flexibility, vibration damping, and thermal insulation. Ideal for HVAC and cold chain applications.

Phenolic Board

A versatile and reliable insulation material with low smoke toxicity and excellent fire performance. Used in high-safety environments like subways, tunnels, and data centers.

Foam Glass Plate

A revolutionary product offering zero water absorption, high compressive strength, and long-term durability. Perfect for cryogenic insulation and underground applications.

Rubber Plastic Tube Shell

Provides unique solutions for pipe insulation in HVAC and refrigeration systems. Offers seamless fit, condensation control, and energy savings.

Glass Wool Board

A widely used and effective insulation board for walls, partitions, and industrial enclosures. Delivers consistent thermal performance and noise reduction.

Nano Aerogel Felt

A cutting-edge insulating material with ultra-low thermal conductivity. Ideal for space-constrained applications requiring maximum efficiency in minimal thickness.

Why Choose Huaneng Zhongtian?

Certified Quality

We adhere to national and international standards and have participated in drafting multiple industry regulations. Our products are backed by nearly 100 patents and certifications.

Comprehensive Range

From rock wool to nano aerogel, we offer a full spectrum of insulation materials tailored to diverse industrial, commercial, and residential needs.

Global Reach

We support distribution partners worldwide and offer OEM services with reliable design, production, and quality control systems in place.

Frequently Asked Questions

What types of insulation materials do you manufacture?

We produce rock wool boards and rolls, glass wool blankets and boards, rubber plastic boards and tube shells, foam glass plates and shells, phenolic boards, and nano aerogel felt.

Are your products fire-resistant?

Yes, most of our products, especially rock wool and phenolic boards, are non-combustible and can withstand temperatures up to 1000°C, meeting strict fire safety standards.

Do you offer OEM services?

Yes, we provide OEM manufacturing with full support in design, production, and quality assurance. We are a trusted partner for global brands.

Can you supply products internationally?

Absolutely. We have established distribution networks and have successfully exported to multiple countries across Asia, Europe, and the Americas.

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