Kingflex Kingflex
Kingflex thermal insulation manufacturing facility - professional production line
Kingflex rubber foam insulation products - high quality elastomeric insulation
Kingflex insulation solutions for industrial and building applications
🏭 Since 1979 • 40+ Years of Excellence

Global Leader in
Thermal Insulation
Solutions

Kingflex delivers world-class elastomeric rubber foam insulation for HVAC, construction, industrial, and cryogenic applications — trusted in 66+ countries worldwide.

40+
Years of History
66+
Countries Served
600K+
m³ Annual Capacity
5
Auto Assembly Lines
Kingflex Insulation Co. Ltd. - company overview and manufacturing base in Dacheng China
🏭 Dacheng, China • Green Building Materials Capital

Professional Manufacturer & Trusted Global Partner

Kingflex Insulation Co., Ltd. is a professional manufacturing and trading company for thermal insulation products. Our research, development, and production department is located in the well-known capital of green building materials in Dacheng, China. As an energy-saving, environmentally friendly enterprise, we concentrate on R&D, production, and global sales.

We provide comprehensive insulation solutions through consultation, R&D, production, installation guidance, and after-sales service — leading the development of the global building materials industry.

Energy-Saving Focus Core concept driving all operations
🌎
Global Reach Exported to 66+ countries worldwide
🏭
Eco-Friendly Green manufacturing enterprise
🛠
Full Service From R&D to post-sale support
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A Foundation Built on 40+ Years of Innovation

Kingflex is established by Jinwei Group, which has more than 40 years of history. Kingway Group was established in 1979 and was the first manufacturer of thermal insulation materials north of the Yangtze River — a pioneer that shaped an entire industry.

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1979
Founded
Kingway Group established as the first thermal insulation manufacturer north of the Yangtze River
🛠
2000s
Kingflex Born
Kingflex Insulation Co., Ltd. established under Jinwei Group, focusing on global trade
🌎
16+
Years Exporting
Products exported to 66+ countries across Asia, Europe, Americas, and Middle East
🏆
Today
Industry Leader
Designated by Ministry of Energy, Electric Power, and Chemical Industry with 600,000m³ annual capacity

Our Competitive Advantages

From advanced R&D to rigorous quality control, every aspect of our operation is designed to deliver superior insulation performance and unmatched customer value.

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5 Automatic Assembly Lines

State-of-the-art automated production lines ensure consistent quality and an annual output exceeding 600,000 cubic meters of insulation products.

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98%+ Closed-Cell Rate

Our elastomeric foam achieves over 98% closed-cell rate, delivering exceptional thermal insulation, moisture resistance, and long-term stability.

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66+ Countries Served

Proven global supply chain with products exported to over 66 countries across Asia, Europe, the Americas, Middle East, and Africa for 16+ years.

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International Certifications

Products certified to BS 476, CE, REACH, RoHS, UL94, ASTM, and other international standards, ensuring full compliance for global projects.

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OEM & Custom Solutions

Full OEM service capability with 8 professional R&D engineers developing customized insulation solutions tailored to specific project requirements.

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Full Traceability System

Every Kingflex product features complete traceability, with a service life of 10–15 years and comprehensive post-sale support for peace of mind.

World-Class Manufacturing Infrastructure

At present, Kingflex operates 5 large automatic assembly lines, with an annual production capacity of more than 600,000 cubic meters. We have become a designated production enterprise by the Ministry of Energy, the Ministry of Electric Power, and the Ministry of Chemical Industry.

Our responsibility extends beyond manufacturing: we supply customers worldwide with a full set of energy-saving insulation system solutions, serving as an integrated solution provider for thermal insulation, cold insulation, and noise reduction for both buildings and industries.

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Kingflex large-scale automatic insulation production assembly line facility Kingflex R&D laboratory and quality testing for thermal insulation materials Kingflex insulation product manufacturing process and quality control
600K+
m³ Annual Production Capacity
5
Large Automatic Assembly Lines
230+
Skilled Production Workers

Research & Development Excellence

Our dedicated R&D department is staffed by 8 professional engineers who continuously innovate to develop next-generation insulation materials, ensuring Kingflex stays at the forefront of thermal insulation technology.

Kingflex R&D laboratory - advanced thermal insulation material research and testing
Advanced Material Research

Continuous development of NBR/PVC compound formulations for superior closed-cell structure and thermal performance.

Kingflex quality control process - insulation material testing and certification
Rigorous Quality Testing

Every batch undergoes comprehensive testing for thermal conductivity, fire retardancy, moisture resistance, and compression resilience.

Kingflex product innovation - new insulation solutions for HVAC and industrial applications
Custom Solution Development

OEM capabilities allow us to engineer bespoke insulation solutions for unique industrial, cryogenic, and architectural challenges.

Complete Thermal Insulation Product Range

Kingflex thermal insulation products are widely used in construction, petroleum, chemical, national defense, aerospace, and other industries — exported to more than 66 countries worldwide.

Rubber elastomeric foam insulation tube - Kingflex standard pipe insulation
Rubber Elastomeric Foam Insulation Tube
Corrosion resistant rubber foam insulation tube for industrial pipelines
Corrosion Resistant Rubber Foam Insulation Tube
Elastic rubber foam insulation pipe for HVAC and building applications
Elastic Rubber Foam Insulation Pipe
Black rubber foam insulation pipe - standard NBR/PVC thermal insulation
Black Rubber Foam Insulation Pipe
Foam rubber insulation tube for air conditioning and refrigeration systems
Foam Rubber Insulation Tube
HVAC rubber foam insulation tube for air conditioning duct systems
HVAC Rubber Foam Insulation Tube
Elastomeric rubber foam insulation system for underground pipeline applications
Elastomeric Foam Insulation System for Underground
Kingflex flexible insulation material for cryogenic low temperature applications
Kingflex Flexible Insulation for Cryogenic Use
Cryogenic rubber foam insulation for low temperature and high humidity environments
Cryogenic Rubber Foam for Low Temperature
Elastomeric cryogenic insulation for extreme low temperature industrial pipelines
Elastomeric Cryogenic Insulation
Rock wool insulation board for industrial high-temperature pipe and building insulation
Rock Wool Insulation Board
Rock wool thermal insulation blanket for industrial high-temperature applications
Rock Wool Thermal Insulation Blanket
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Technical Specifications & Applications

Black rubber foam insulation sheet roll - NBR/PVC flat insulation board product Kingflex rubber foam insulation sheet roll cross-section showing closed cell structure Rubber foam insulation sheet roll installation for building wall and roof thermal insulation Kingflex insulation sheet roll application in HVAC air duct thermal insulation system

Black Rubber Foam Insulation Sheet Roll

Kingflex Standard Dimensions

Material: NBR/PVC • Thickness: 6mm–50mm • Density: 40–55 kg/m³ • Service Temperature: -40°C to 105°C

Key Advantages

1. Foams evenly and fully — closed cell rate over 98%, excellent thermal insulation
2. Full closed-cell structure, low moisture absorption, stable long-term thermal conductivity
3. Compression resilience over 80%
4. Flame retardant, self-extinguishing off fire
5. Low thermal conductivity, high moisture resistance factor

Applications

Central air conditioning ducts and pipes • Building walls, roofs & basements • HVAC & water supply anti-condensation • Industrial equipment and storage tanks • Hotels, malls & hospitals • Rail transit & cold storage • Chemical process pipes
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Black Rubber Foam Insulation Pipe

Kingflex Standard Dimensions

Material: NBR/PVC • Thickness: 9mm–40mm • ID: 6mm–114mm • Density: 40–55 kg/m³ • Service Temperature: -40°C to 105°C

Key Advantages

1. Foams evenly and fully — closed cell rate over 98%
2. Professional pipe spraying equipment ensures even coating
3. Compression resilience over 80%
4. Flame retardant, self-extinguishing off fire
5. Low thermal conductivity, high moisture resistance factor
6. Greatly reduces pipe freezing and cracking risks

Applications

Central air conditioning chilled/hot water pipes • Building HVAC antifreeze & anti-condensation • Hotels, malls & hospitals ventilation • Industrial steam and process pipes • Cold storage and cold chain pipelines • Chemical & petrochemical pipes • Solar and hot water system pipelines
🔍 View Related Products
Black rubber foam insulation pipe for HVAC chilled water and condensate pipe insulation Kingflex rubber foam pipe insulation installation on air conditioning system pipelines Rubber foam insulation pipe cross-section showing NBR/PVC closed cell foam structure Kingflex insulation pipe application in industrial cold storage and refrigeration pipelines

Versatile Solutions Across Every Industry

Kingflex insulation products serve a broad spectrum of industries, from commercial HVAC to cryogenic industrial applications, delivering reliable thermal performance in the most demanding environments.

HVAC & Air Conditioning

Heat insulation for air ducts, chilled water pipes, condensate pipes, and fan coil units in commercial and residential buildings.

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Building & Construction

Wall, roof, and basement thermal and sound insulation for hotels, malls, hospitals, and residential complexes.

Industrial & Petrochemical

Insulation for steam pipes, process pipes, storage tanks, and equipment in chemical, petroleum, and power generation plants.

❄️
Cold Storage & Refrigeration

Thermal insulation for cold rooms, cold chain logistics, and cryogenic pipeline systems with temperatures down to -40°C.

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Rail Transit

Thermal and acoustic insulation for railway carriages, metro systems, and high-speed rail infrastructure.

Solar & Renewable Energy

Anti-freeze and thermal insulation for solar water heating systems, heat pump pipelines, and renewable energy installations.

Aerospace & Defense

Specialized insulation solutions for aerospace applications and national defense infrastructure requiring extreme reliability.

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Noise & Sound Reduction

Acoustic insulation for machine rooms, ventilation ducts, and mechanical equipment in commercial and industrial settings.

📅 Request Custom Solution

Real-World Project Cases

From large-scale HVAC installations to complex industrial pipeline systems, Kingflex insulation solutions have been successfully deployed in landmark projects across the globe.

Kingflex insulation project case - commercial HVAC duct insulation installation
HVAC Project
Kingflex rubber foam pipe insulation project for industrial pipeline system
Industrial Pipeline
Kingflex building thermal insulation project - wall and roof insulation installation
Building Insulation
Kingflex cold storage insulation project for refrigeration and cold chain system
Cold Storage
Kingflex insulation project - hotel and commercial building HVAC insulation system
Hotel & Commercial
Kingflex petrochemical plant insulation project for process pipeline thermal insulation
Petrochemical Plant
Kingflex solar energy system pipe insulation project installation
Solar Energy System
Kingflex industrial equipment thermal insulation project for power plant
Power Plant
📅 Get Project Consultation

Serving 66+ Countries Worldwide

Over the past 16+ years, Kingflex has built a robust global supply chain, exporting thermal insulation products to more than 66 countries across Asia, Europe, the Americas, the Middle East, and Africa. Our international sales team of 6 dedicated professionals ensures seamless communication and timely delivery worldwide.

From project inquiry to on-site installation guidance and post-sale service, Kingflex provides end-to-end support for international clients, backed by a proven track record of quality and reliability.

66+
Countries Served
16+
Years Exporting
6
International Sales Experts
24/7
Customer Support
📅 Send Inquiry
Kingflex global export shipment - thermal insulation products ready for international delivery Kingflex international trade - rubber foam insulation export packaging and logistics Kingflex product warehouse and inventory management for global distribution
Kingflex professional team - engineers, international sales specialists, and production workers

A Talented Team with a Shared Vision

Our employees are amazing in their own right, but together they are what makes Kingflex such a rewarding place to work. The Kingflex team is a tight-knit, talented group with a shared vision of giving consistently first-class service for our clients.

Kingflex has 8 professional engineers in the R&D Department, 6 dedicated international sales specialists, and 230 skilled workers in the production department — all working in concert to deliver excellence at every stage.

8
R&D Engineers
6
International Sales
230+
Production Workers
📅 Contact Our Team

Internationally Certified Quality

Our products have passed rigorous international certifications, ensuring product quality, safety, and compliance with global standards across all major markets.

Kingflex BS 476 fire performance certification for rubber foam insulation products
BS 476 Certification
Kingflex CE certification for European market thermal insulation product compliance
CE Certification
Kingflex REACH compliance certification for chemical safety in insulation materials
REACH Certification
Kingflex quality management system certification for insulation manufacturing
Quality Management
BS 476 CE Mark REACH RoHS UL94 ASTM

Trusted by Clients Worldwide

Our global customer base spans contractors, distributors, engineers, and procurement teams across 66+ countries. Real conversations, real satisfaction — see what our clients say about Kingflex.

Kingflex customer chat screenshot - client feedback on rubber foam insulation order
Kingflex international customer communication - thermal insulation product inquiry
Kingflex customer satisfaction - positive feedback on insulation product quality
Kingflex client review - professional service and insulation product recommendation
Kingflex customer order confirmation and product satisfaction screenshot
📅 Become Our Partner

Frequently Asked Questions

Everything you need to know about Kingflex insulation products, specifications, certifications, and services.

What is elastomeric rubber foam insulation used for?
It is mainly used for HVAC ducts, air conditioning pipes, building thermal insulation, industrial pipeline cold insulation, and sound insulation.
Is Kingflex rubber foam insulation fire resistant?
Yes, our rubber foam insulation is fire retardant, meeting the safety standards of building and industrial projects, including BS 476, UL94, and ASTM certifications.
What is the difference between rubber foam and rock wool insulation?
Rubber foam is flexible, closed-cell, and moisture-proof — suitable for HVAC and building insulation. Rock wool is high-temperature resistant and fireproof, suitable for industrial high-temperature pipeline insulation.
Do you provide customized insulation products?
Yes, we support full OEM service to meet different project needs, with our 8-engineer R&D team developing custom formulations and dimensions on request.
What certifications do your products have?
Our products have passed BS 476, CE, REACH, RoHS, UL94, ASTM, and other international certifications, ensuring product quality and compliance with global standards.
Does Kingflex products have traceability?
Yes, all Kingflex products have complete traceability from raw material sourcing through production to final delivery, with full quality documentation available.
What thickness of rubber foam insulation sheet roll can you produce?
We can produce from 6mm to 50mm thickness for sheet rolls, and 9mm to 40mm for pipe insulation, with ID ranging from 6mm to 114mm.
What is the service life of rubber foam insulation pipe and board?
The expected service life is approximately 10 to 15 years under normal operating conditions, with full traceability and quality guarantees provided.

Supply the World with Complete Energy-Saving Insulation Solutions

As an integrated solution provider of thermal insulation, cold insulation, and noise reduction for buildings and industries, Kingflex is committed to advancing global energy efficiency and sustainability.

State-of-the-Art Manufacturing Facility

Our production base in Dacheng, China features modern automated equipment, rigorous quality control processes, and a highly skilled workforce dedicated to producing world-class thermal insulation products.

Kingflex manufacturing facility - large-scale insulation production plant in Dacheng China
Kingflex production floor - automated rubber foam insulation manufacturing equipment
Kingflex factory interior - quality control and production management process
Kingflex insulation product warehouse and finished goods inventory
Kingflex automated production line for rubber foam insulation tube manufacturing
Kingflex quality inspection process for thermal insulation products
Kingflex raw material storage and production preparation area

Ready to Elevate Your Insulation Performance?

Contact Kingflex today for expert consultation, custom product solutions, and competitive pricing. Our team of specialists is ready to support your next project, anywhere in the world.