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Specializing in PVC flexible duct industry Custom manufacturer

Services
An example of an airport air duct

NUOENWEIBUSINESS POSITIONING

Are you looking for high quality flexible duct products? NUOENWEI is at your service! We specialize in providing many types of flexible air ducts to meet the needs of different markets, including:


  • Pre-conditioned air (PCA) hose
  • Specialty Air Conditioning Insulated Ducts
  • Fiberglass high-temperature flexible duct
  • Explosion-proof Flexible Duct
  • Negative Pressure Flexible Duct
  • PVC Industrial Flexible Duct


We are committed to providing customers with high quality flexible air ducts and related services. Over the years of operation, we have always adhered to integrity and quality, which are the cornerstones of the trust we have earned from our customers. 


SERVICE ADVANTAGE

At Foshan NuoWei Ventilation Co., Ltd., we understand that every client has unique ventilation needs, which is why our service advantage is built on providing customized solutions that are perfectly aligned with your specific requirements. Whether you need flexible air ducts for industrial applications or airport-grade systems, we are committed to offering solutions that meet both your operational needs and your budget.Our team of industry experts is constantly advancing their knowledge to stay ahead of the latest trends in ventilation technology. This expertise allows us to provide you with informed advice at every step—helping you choose the right products that optimize efficiency and reduce operational costs.From the initial consultation to installation and ongoing maintenance, we ensure that your project is handled with the utmost care and attention to detail. Our technicians are always available to provide fast, reliable support.We take pride in building strong, long-term relationships with our clients by delivering exceptional service, customized solutions, and innovative products in ventilation systems. This service advantage is your assurance of quality and reliability, contributing to the continued success of your business.

At our ISO-certified 4,000㎡ factory in Foshan, we leverage dedicated production lines for both airport-grade ducts (250,000m/year) and industrial ducts (500,000m/year). This allows us to scale production efficiently, ensuring on-time delivery and maintaining the highest manufacturing standards. Our lead times are 30% faster than the industry average, providing you with quick turnaround without compromising quality.
We specialize in providing IATA-compliant, fire-retardant, and anti-static ducts for airport HVAC and jetway systems, meeting the highest industry standards. Whether you need customized ducts for critical environments or industrial applications, our expertise ensures that you get reliable, durable products tailored to your specific needs.
With over 20 years of experience, we’ve successfully delivered products to contractors and EPCs across Europe, Southeast Asia, and beyond. Our trusted relationships with major airport projects and contractors speak to our reliability and commitment to delivering excellence on time, no matter the complexity or scale of the project.
We offer tailored OEM/ODM services, ensuring our products meet your unique specifications. Our dedicated team provides 24/7 engineering support, offering fast, responsive solutions that address any challenges throughout the entire lifecycle of your project. Your satisfaction is our priority.
360° Flexible Duct Customized Solutions
Full chain escort from R&D to after-sales
Engineering-level parameter customization
Engineering-level parameter customization
• Structural design: support DN100-DN1500 full-size customization, non-standard tee/quad shaped duct synchronous development. • System Adaptation: The length of the tube body is extended by 0.5m modulus, and the maximum continuous molding length is up to 30m (depending on the specification of the tube diameter). • Technical certification: in line with ISO9001/UL94/ASNZS1530/IEC62631 and other standards, temperature range -40 ℃ to a maximum of +1200 ℃.
Visualization of brand implantation
Visualization of brand implantation
• Industrial-grade visibility color scheme: the main color is ANSI Z535 warning orange standard color, optional equipment gray, engineering white, pipeline blue and other 6 kinds of EN ISO certified auxiliary color system. • Branding program: laser engraving/heat transfer printing dual process, 50 pieces of order to enjoy free LOGO implantation services. • Scenario-based packaging system: moisture-proof corrugated paper/PE winding film, support customized mark printing.
Intelligent Supply Chain Guarantee
Intelligent Supply Chain Guarantee
• Flexible payment: T/T, L/C, installment payment (down payment of 30% + final payment shipment) • Global logistics: DDP / DDU dual mode, China and the U.S. line 15-20 days to Hong Kong, the EU tax-packed channel customs clearance support. • Visualization progress tracking: artificial guarantee system, manufacturing process verifiability.
Full life cycle service
Full life cycle service
• Warranty Commitment: 12 months structural integrity guarantee of the tube (ISO 9001 standard) • Emergency Response Mechanism: Replacement parts issued within 48 hours (under warranty) • System upgrade service: free access to the annual ventilation system optimization program
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CERTIFICATE
We maintain strict quality control and can provide relevant certificates and test reports for our flexible ducts, duct fittings, ventilation fans, and custom/OEM products. Contact us to request the latest valid copies.
133-8m Military PCA Hose Air Leakage Rate Test Rep
PCA HOSE 355X210-25m Air Leakage Rate Test.jpg
CERTIFICATE of EC REP.jpg
Surface Resistance and Surface Resistivity IEC 626
Thermal conductivity.jpg
ISO9001.jpg
ExtendedProducersResponsibility.jpg
UL94 VTM-0.jpg
EN 13501-1.jpg
SGS Wind pressure test.jpg (2)
SGS Thermal insulation.jpg (2)
IEC 62631.jpg
ASNZS 1530.jpg
customization service
See how our flexible ducts, duct fittings, ventilation fans, and custom/OEM solutions are used in real projects. Browse customer-submitted photos from different industries and applications.

Frequently Asked Questions

Below are quick answers about custom manufacturing, OEM/ODM, and new product development. For more detailed FAQs on MOQ, lead time, samples, payment, shipping, and certificates, please visit our full FAQ page.

1
How To Verify The Suitability Of Customized Ducts?
We provide 2 kinds of verification programs:
① Send free samples of similar working conditions (keep stock specifications)
② Paid engineering simulation report
2
How Long Does It Take For A Customized Design Cycle?
1 working day for regular design, 1-2 working days for complex system (including tee/reducer).
3
What is the typical sample lead time for a fully customized OEM duct design?
The sample lead time for a fully customized OEM duct design typically ranges from 7 to 15 days from design approval to sample completion. This timeline includes material sourcing, prototype fabrication, and initial quality inspection. For simpler customizations (such as color or length adjustments), samples can often be ready within 3 to 7 days. Complex designs involving new materials or structural features may require additional time for R&D and testing. Once the sample is approved, bulk production lead time is approximately 15 to 30 days depending on order volume. We recommend initiating the customization process well in advance of your project deadline.
4
How much does custom color or logo printing add to the cost of industrial PVC ventilation hoses?
Custom color and logo printing costs vary depending on order quantity, complexity of the design, and number of colors required. For standard custom colors (such as high-visibility yellow or military-grade camouflage), there is typically no additional cost for orders meeting our MOQ. For custom logo printing, we charge a modest setup fee for screen printing or heat transfer tooling, which is often waived for larger orders. We recommend contacting our sales team with your specific color and logo requirements for a detailed quote. All customizations are subject to our standard OEM/ODM process and quality control protocols.
5
What custom lengths and diameters are available for NUOENWEI flexible air ducting systems?
NUOENWEI offers flexible air ducting systems in standard inner diameters of 8" (200mm), 10" (250mm), 12" (300mm), and 14" (350mm). Custom diameters are available upon request for specialized applications. For length, standard options include 1 meter, 1.5 meters, and 2 meters, with custom lengths available to meet specific project requirements. Our flexible ducts are available in diameters ranging from 100mm to 1500mm. Whether you need short sections for tight installations or extended lengths for large-scale infrastructure, we can accommodate your specifications. Please contact our sales team with your dimensional requirements for a custom quote.
6
How does NUOENWEI support distributors in maintaining market competitiveness and profit margins?
NUOENWEI supports our distributors through competitive wholesale pricing based on order volume, exclusive territory arrangements where applicable, private labeling/OEM services to build your brand, sample support for customer demonstrations, reliable quality backed by ISO9001 and UL94 certifications, consistent supply with annual capacity of 500,000 meters for standard ducts and 200,000 meters for PCA hoses, and responsive after-sales support for troubleshooting and technical inquiries. We view our distributors as long-term partners and work proactively to help you win projects through superior product quality, competitive lead times, and customized solutions.
7
How does your R&D team approach the design of PCA hoses for aerospace applications?
Our R&D team follows a rigorous, customer-centric design process for aerospace PCA hoses applications. We begin by analyzing the specific operational requirements—including temperature range, pressure conditions, airflow volume, and installation constraints. For aerospace applications, we prioritize lightweight materials, flame retardancy (UL94 VTM-0 certified), durability under extreme conditions, and precision fit to aircraft connectors. Our design process incorporates computer-aided design (CAD) , material selection from our portfolio of high-grade PVC, Hypalon (CSM), and other specialized materials, prototyping, and rigorous testing for thermal performance, pressure resistance, and structural integrity. We collaborate closely with clients throughout the development cycle to ensure the final product meets all performance and certification requirements.
8
How does NUOENWEI handle OEM/ODM requests for specialized air conditioning insulation ducts?
NUOENWEI has extensive experience in OEM (Original Equipment Manufacturer) and ODM (Original Design Manufacturer) services for specialized air conditioning insulation ducts. Our process begins with a consultation to understand your specifications, followed by design and prototyping by our R&D team. We offer 100% QC inspection before shipping and can accommodate custom requirements including diameter (100mm to 1500mm), thickness (starting from 3mm), thermal insulation performance, antibacterial coatings for hygiene-sensitive applications, and corrosion resistance. Our specialty air conditioning insulated ducts are used in medical, food processing, electronics, and industrial manufacturing sectors. With an annual production capacity of 200,000 meters for PCA hoses, we can handle both small-batch custom orders and large-volume production runs.
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