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Your Trusted Partner for Precision HVAC Components & Custom OEM Manufacturing Solutions
Since 2006, GreatVent has been helping distributors, wholesalers, OEM manufacturers and HVAC contractors worldwide source high-quality HVAC components with reliable manufacturing, competitive pricing and professional export services.
Who We Are: A Proven Track Record in HVAC Sourcing
Who We Are: A Proven Track Record in HVAC Sourcing
GreatVent is a premier, quality-driven manufacturer and exporter dedicated to streamlining the global supply chain for HVAC parts and industrial hardware. Based on decades of industrial expertise, we integrate precision engineering, rigorous quality management, and flawless export logistics to support our partners' growth.
From standard duct components to tailored OEM development, our professional engineering and export teams ensure seamless communication and on-time global delivery for every batch.
GreatVent at a Glance
GreatVent at a Glance
20+ Years Manufacturing Experience
30+ Export Countries
100+ Products We Supply
Fast Global Delivery
Professional Export Team
One-stop HVAC Supply
Our Journey: Building Trust Layer by Layer
Our Journey: Building Trust Layer by Layer
How we evolved from an industry pioneer into a trusted global HVAC supplier.
How we evolved from an industry pioneer into a trusted global HVAC supplier.
📍 2006 | Deep Rooted Expertise
● Founder Mr. Andy Ye Entered the Industry
Our founder, Mr. Andy Ye, began his journey in metal manufacturing and hardware engineering, laying the technical foundation for GreatVent's quality commitment.
📍 2011 | The Foundation
● GreatVent Company Officially Founded
Established our dedicated manufacturing facilities to specialize in industrial hardware components and custom metal hardware fabrication.
📍 2014 | Market Expansion
● Expanded HVAC Product Lines
Strategically integrated our product structure, developing a comprehensive lineup of air distribution parts, duct components, and ventilation accessories to serve larger industrial wholesalers.
📍 2018 | OEM Acceleration
● Rapid OEM Manufacturing Growth
Upgraded our factory equipment and precision tooling capabilities, becoming a reliable contract manufacturer for global HVAC brands and top-tier distributors.
📍 2022 | Global Supply Chain Integration
● Global Supply Chain Expansion
Optimizing logistics and material sourcing from our tactical location near Shanghai Port, ensuring highly competitive pricing and resilient delivery for international clients.
📍 2026 | Looking Ahead
● Serving Customers Worldwide with Innovation
Today, GreatVent stands as a full-service, one-stop B2B HVAC manufacturer, delivering uncompromised quality and engineering excellence to partners across 30+ countries.
Why Global Buyers Choose GreatVent
Why Global Buyers Choose GreatVent
Reliable Manufacturing
Reliable Manufacturing
Our advanced production lines and strict in-house quality inspections guarantee high-precision, consistent performance for every batch of HVAC hardware.
Value-Driven OEM Solutions
Value-Driven OEM Solutions
We prioritize long-term partnership value over short-term price competition. We never compromise on material selection, ensuring your custom designs are built to last.
On-Time Global Delivery
On-Time Global Delivery
Located just 100km from Shanghai Port, our stable production scheduling and premium logistics partners ensure seamless, rapid shipping to global markets.
Experienced Export Team
Experienced Export Team
Our responsive sales engineers bring years of industry expertise to guide you through technical specifications, material certificates, and smooth customs clearance.
Inside GreatVent's Manufacturing Facilities
Inside GreatVent's Manufacturing Facilities
Every single order goes through rigorous production control and multi-stage quality inspections before shipment, ensuring consistent performance that our global partners trust.
Production Line
Production Line
Quality Inspection
Quality Inspection
Warehouse
Warehouse
Packaging & Loading
Packaging & Loading
Our Manufacturing Capabilities
Our Manufacturing Capabilities
Metal Stamping
Metal Stamping
High-precision stamping for heavy-duty HVAC hardware. We specialize in producing galvanized steel duct corners, flange clamps, and mounting brackets with tight tolerances and structural integrity.
Die Casting
Die Casting
Premium zinc and aluminum alloy die casting. Perfect for manufacturing rugged quadrant regulators, damper handles, and heavy-duty structural connector joints with smooth surface finishes.
CNC Machining
CNC Machining
Custom precision turning and milling. Delivering tight-tolerance brass fittings, copper pipe connectors, and specialized shafts designed to perform reliably under high-pressure ventilation standards.
Rubber Parts
Rubber Parts
Durable sealing solutions with specialized rubber compounding. We mold high-elasticity EPDM gaskets, silicone seals, and vibration-dampening rings that ensure airtight duct joints.
Plastic Injection
Plastic Injection
High-performance engineering plastic molding. We produce temperature-resistant damper bushings, plastic control handles, and custom nylon protective caps for ventilation systems.
OEM Development
OEM Development
From custom sketches to massive mass production. Supported by our experienced engineering team, we provide full-cycle OEM/ODM services, including CAD/3D modeling and rapid prototyping.
Assembly
Assembly
Turnkey assembly and multi-material integration. Combining metal stamping, castings, and rubber/plastic components into fully functional, ready-to-use ventilation control assemblies.
Packaging
Packaging
Export-standard packaging and private labeling. Offering secure bulk crating, custom retail box designs, and barcode labeling tailored to global logistics and distributor shelves.
Quality Commitment
Quality Commitment
QUALITY CONTROL WORKFLOW
QUALITY CONTROL WORKFLOW
Strict Standard Operating Procedures from Raw Material to Final Loading
01 IQC — Incoming Quality Control
Raw Material Verification & MTC Check
02 IPQC — In-Process Quality Control
First-Piece Inspection & Dimension Check
03 FQC — Finished Goods Control
Mechanical, Tensile & Performance Testing
04 OQC — Outgoing Quality Control
Packaging, Custom Labeling & Quantity Audit
05 QA Release — Pre-Shipment Approval
Final Audit & Container Loading Photos
In-house quality control dimension check
In-house quality control dimension check
🛡️ Quality Assurance Note: All manufacturing steps follow ISO 9001:2015 quality systems and AQL 2.5/4.0 sampling standards. Full batch traceability & CAPA mechanisms guaranteed.
Global Markets We Serve
Global Markets We Serve
Delivering reliable hardware & industrial solutions to clients across 30+ countries and regions worldwide.
Delivering reliable hardware & industrial solutions to clients across 30+ countries and regions worldwide.
● North America
• Key Markets: United States, Canada, Mexico
• Focus: Heavy-duty hardware, OEM custom components & HVAC supplies.
● Europe
• Key Markets: Germany, United Kingdom, Poland, Italy, Netherlands
• Focus: Precision duct accessories, ventilation fittings & industrial fasteners.
● Middle East
• Key Markets: Saudi Arabia, UAE, Qatar, Kuwait
• Focus: ZARCO trademark certified hardware, construction & MEP components.
● Australia & Oceania
• Key Markets: Australia, New Zealand
• Focus: Commercial HVAC hardware, specialized brackets & industrial fittings.
● Southeast Asia
• Key Markets: Singapore, Malaysia, Vietnam, Thailand
• Focus: Rapid-delivery standard hardware & factory OEM solutions.
● South America
• Key Markets: Brazil, Argentina, Chile
• Focus: Cost-effective industrial hardware & high-durability components.
Industries & Applications We Support
Industries & Applications We Support
Delivering high-performance components and tailored solutions across diverse industrial and construction sectors.
Delivering high-performance components and tailored solutions across diverse industrial and construction sectors.
Commercial HVAC
Commercial HVAC
High-reliability hardware and framing components designed for shopping malls, office towers, and public infrastructure.
Industrial Ventilation
Industrial Ventilation
Heavy-duty duct accessories and mounting hardware engineered for high-airflow, harsh industrial environments.
Air Distribution Systems
Air Distribution Systems
Precision-engineered dampers, regulators, and connectors ensuring balanced airflow in cleanrooms and commercial facilities.
Mechanical Contractors & MEP
Mechanical Contractors & MEP
Standardized, easy-to-install support systems, beam clamps, and hardware for fast on-site assembly.
Construction & Civil Infrastructure
Construction & Civil Infrastructure
Structural fasteners, specialized brackets, and galvanized components built to international building codes.
Building Materials Supply
Building Materials Supply
Bulk supply of certified hardware and accessories for regional distributors and building material wholesalers.
OEM Custom Manufacturing
OEM Custom Manufacturing
Tailored stamping, fabrication, and custom labeling solutions based on client-provided blueprints and specifications.
Need Custom Components for Your Specific Industry?
Our Core Values
Our Core Values
Quality
Quality
Uncompromising Standards
Uncompromising Standards
Delivering precision-engineered HVAC components and hardware with strict quality control in every batch.
Innovation
Innovation
Continuous Improvement
Continuous Improvement
Embracing new technologies and custom engineering solutions to stay ahead in evolving global markets.
Integrity
Integrity
Transparency & Trust
Transparency & Trust
Building honest, transparent, and long-term business relationships through reliable promises and ethical operations.
Partnership
Partnership
Growing Together
Growing Together
Working as an extension of your team to ensure mutual success, custom solutions, and dedicated support.
Social Responsibility
Social Responsibility
Since its establishment, GreatVent has implemented a policy of social and environmental responsibility, always with the same vision that we work together for a better world.
The company does not use child labor, does not sell and export inferior products. We are committed to building a quality brand.
GreatVent maintains good ethical principles as well as several other practices that contribute to greater social justice. We abide by business ethics, as well as laws and regulations.
GreatVent also encourages its employees to take part in activities of charity and environment protection to benefit society, which includes funding out-of-school children to complete education and rational use of daily-use consumables.
a LETTER FROM OUR excellent TEAM
a LETTER FROM OUR excellent TEAM
Dear our valued customers,
Hope all is well.
It will be our very great honor if we can be selected as one of your best business partners.
You may be a little afraid of us before starting our cooperation because we do not know each other. But you will for sure find us a good supplier after doing business. We will definitely win your trust and heart with the strength of high quality, good price and perfect service.
We humbly believe that business can only last long on the basis of honesty, mutual benefit and win-win idea. Of course, good communication is a good way to avoid every possible mistake and misunderstanding. If you need any help or have any questions or concerns, please feel free to contact us by email, phone, IM, etc.
We will cherish every valued customer from all over the world and will try our best to grow closely together.
Always, we will be here to be on service of you and co-build a wonderful future.
Thank you and best regards,
GreatVent
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