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16 Years Factory

We produce the Line Sets by different insulation, like NBR, White PE, K-Flex Titan and Durkflex Insulation.
In April 2023 year we made 3 molds of Air Conditioner Condenser Pad, like 18x38x3",24x24x3", 32x32x3" and 36x36x3".

5 Days For Sample

You will get the free samples delivered once you confirm all details of Insulation Copper Pipe or other HVAC parts within 3-5days.
 
 

1,000,000 PCS Per Month

2 Factories, 50 Electric Welding Machines, 4 Auto-Package Machines, 30000m^2 warehouse, we focus on producing Air Conditioner Lineset, Condenser Pad, Bracket and Lineset Cover. Fast delivery is available within 5-7days, if you are urgent.
 
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Reasonable Price
and Professional Team
We have an excellent technical team, which can be designed according to customers requirements.More than 10 precision production line, easy to realize large quantities of goods, to provide you with the best price.
  • 60277
    +
    square feet of factory
  • US$
    142857
    +
    registered capital
  • 200
    +
    employees
  • 60
    +
    main facilities
  • 500000
    +
    pcs daily
  • 500
    +
    Product classification
HOT PRODUCTS

1/2" x 3/4" Mini Split Line Set

1/2" x 3/4" Mini Split Line Set
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Black PVC Line Set Cover Air Conditioner Line Set Duct Cover

Black PVC Line Set Cover Air Conditioner Line Set Duct Cover
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Gray Air Conditioner Duct Design PVC Line Set Cover Kit

Gray Air Conditioner Duct Design PVC Line Set Cover Kit
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HVAC Line Set Pre Insulated Copper Tubing

HVAC Line Set Pre Insulated Copper Tubing
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Custom Beige PVC Line Set Cover Air Conditioning Duct Line Set Pipe Cover

Custom Beige PVC Line Set Cover Air Conditioning Duct Line Set Pipe Cover
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DABUND PIPE

Refrigeration Copper Pipe
Insulated Copper Tubing
Insulated Copper Pipe
Copper Line Set
AC line set
HVAC Line Set
Mini Split Air Conditioner Kit
Insulated Aluminum Pipe
HVAC LINE SET

About DABUND : Your Expert HVAC&R Products Supplier

Changzhou DABUND Pipe Co., Ltd. is one professional manufacturer of Insulated Copper Pipe, Line Set, Condenser Pad, Lineset Cover, Bracket and other air conditioner parts for Mini Split Systems. In order to save customers cost, we also produce the White PE and NBR Insulation by ourself. With scientific progressive conception of rapid introduction, we make our air conditioner Line Set to many overseas markets. And we are also willing to do the Lineset according to customers required, like different insulation. For now we produce K-Flex Titan and Durkflex Insulation for customers. And you will find other HVAC & R parts, like AC Disconnect Box, Electrical Whips, AC Capacitor, Air Conditioner Duct, Air Conditioner Drain Hose, Air conditioner pump and different type Rubber Pads, Anti Vibration Pads of air conditioning external unit etc. Our products are produced for exporting to tens of countries such as American, Canada,Germany, and so on ."Growing with clients" is always our management concept.

DABUND MAKARON LINE COVER

1/2" x 3/4" Mini Split Line Set
Mini Split Line Set
1/2" x 3/4" Mini Split Line Set
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Add to Basket
Black PVC Line Set Cover Air Conditioner Line Set Duct Cover
HVAC Line Set Cover
Black PVC Line Set Cover Air Conditioner Line Set Duct Cover
Inquire
Add to Basket
Gray Air Conditioner Duct Design PVC Line Set Cover Kit
HVAC Line Set Cover
Gray Air Conditioner Duct Design PVC Line Set Cover Kit
Inquire
Add to Basket
HVAC Line Set Pre Insulated Copper Tubing
Pre Insulated Copper Tubing
HVAC Line Set Pre Insulated Copper Tubing
Inquire
Add to Basket

Welcome to Visit Our Factory

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factory
factory
factory
factory
Introduction
  • Furniture decoration
    Furniture decoration
  • Furniture decoration
    Furniture decoration
  • Furniture decoration
    Furniture decoration

Why DABUND is Trusted By 1000+ Global Importers?

14+-Years’-Experience

16+ Years’ Experience

We have 16+ years’ experience of copper line set, and have exported 100+ countries.
Advanced-Machine

Advanced Machine

We are constantly updating our factory machines and strive to produce higher quality products.
FACTORY

Strong Supply

We have super productivity and can ship in the shortest time.
FACTORY

Quality Assurance

Our products are of high quality and high standards, deeply loved by customers.
SHIPPING

Fast Shipping

After receiving the order, we will quickly enter the production to ensure that it will be delivered to the customer in the shortest time.
good-service

Good Service

Our products have good after-sales service, our customer service is online 24 hours a day.
Wide-Market

Wide Market

Our products are shipped all over the world and are well recognized by customers.
free-sample
Free Sample
Free samples are available in custom design and packaging.
You will get a quick reply within 12 hours from Dabund Pipe.
Soulution
This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
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Specialized in product
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Expertise in type
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Superior to heart
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Economy is more affordable
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Superior to heart
/
Economy is more affordable
/
Expertise in type

Customers Installation Case

case1
1/4'' & 1/2'' Line Set
case2
1/4 3/8 line set 50 feet long
case3
3/8 3/4 50' line set
case4
7/8 3/8 Copper Line Set 35 feet Long
case6
1/4 3/8 line set 50 feet long
case5
3/8 3/4 35' line set
case8
Insulated copper pipe ac installation kit
case7
Copper Piping Kit for Mini Split Installation
case9
25 Ft. Copper Pipes for Mini Split Air
case11
Insulated Copper Tube 1/4" 3/8"
case10
3/8 Copper tubing 50 ft
Top 5 HVAC Line Set Manufacturers in Europe
2026-07-17

The European HVAC industry has earned a global reputation for engineering excellence, strict quality standards, and innovative manufacturing. Whether you're installing residential mini-split air conditioners or designing large commercial HVAC systems, choosing the right HVAC line set manufacturer ca

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Top 5 Insulated Copper Line Set Factories in Europe
2026-07-07

Selecting the right insulated copper line set manufacturer can make a significant difference in HVAC system performance, installation efficiency, and long-term reliability. Europe has earned a strong reputation for producing premium copper tubing and insulated line sets thanks to its advanced manufa

READ MORE
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Top 5 Insulated Copper Line Set Factories in the USA
2026-06-30

The U.S. HVAC industry depends on one small yet essential component to keep air conditioning and refrigeration systems operating efficiently—the insulated copper line set. While compressors, condensers, and evaporators often receive the most attention, the copper line set quietly performs the vital

READ MORE
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Top 5 HVAC Line Set Manufacturers in the USA
2026-06-24

The HVAC industry in the United States continues to grow at an impressive pace. From residential mini split systems to massive commercial cooling projects, one component remains critical to every installation: the HVAC line set. While compressors and air handlers often grab the spotlight, the line s

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How To Test And Replace An AC Disconnect Box
2026-06-27

Is your air conditioner acting up?A faulty AC disconnect box could be the hidden culprit behind your cooling troubles.Burnt plastic or corrosion often signals a dangerous electrical failure.Ignoring these signs puts your home and HVAC system at risk.Safety and reliability are our top priorities.

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AC Disconnect Box Wiring Diagram: Complete Installation Guide
2026-06-24

Ever wonder how to safely power down your AC for repairs? An AC Disconnect Box is the unsung hero of your HVAC system. It ensures both safety and maintenance ease.Installing one can feel intimidating. Our guide simplifies the process.

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How To Install An AC Disconnect Box: Step-by-Step Guide
2026-06-18

Ever wonder how to safely shut off your AC during an emergency?An AC Disconnect Box is essential for your home’s safety. It keeps you protected during routine HVAC maintenance.However, improper wiring can violate NEC Article 440.14 standards.

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What Is An AC Disconnect Box? Types, Functions And Applications
2026-06-15

Ever wonder about that small box outside your home? It is the most critical safety component for your HVAC system.An AC Disconnect Box is a weatherproof device. It provides a reliable way to shut off power safely.This switch is essential for code compliance and technician protection.

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Top 10 HVAC Control Board Manufacturers in 2026
2026-06-12

Top 10 HVAC Control Board Manufacturers in 2026Is your climate control system acting up? A faulty board can ruin your comfort.Choosing the right partner is critical for system safety and energy efficiency. Poor quality leads to expensive, long-term maintenance headaches.

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Dabund News


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[Insulated Copper Pipe Knowledge] Jul 17,2026
Top 5 HVAC Line Set Manufacturers in Europe

The European HVAC industry has earned a global reputation for engineering excellence, strict quality standards, and innovative manufacturing. Whether you're installing residential mini-split air conditioners or designing large commercial HVAC systems, choosing the right HVAC line set manufacturer ca

READ MORE
8.png
[Insulated Copper Pipe Knowledge] Jul 07,2026
Top 5 Insulated Copper Line Set Factories in Europe

Selecting the right insulated copper line set manufacturer can make a significant difference in HVAC system performance, installation efficiency, and long-term reliability. Europe has earned a strong reputation for producing premium copper tubing and insulated line sets thanks to its advanced manufa

READ MORE
IMG_0049.png
[Insulated Copper Pipe Knowledge] Jun 30,2026
Top 5 Insulated Copper Line Set Factories in the USA

The U.S. HVAC industry depends on one small yet essential component to keep air conditioning and refrigeration systems operating efficiently—the insulated copper line set. While compressors, condensers, and evaporators often receive the most attention, the copper line set quietly performs the vital

READ MORE
IMG_0073.png
Jun 24,2026
Top 5 HVAC Line Set Manufacturers in the USA

The HVAC industry in the United States continues to grow at an impressive pace. From residential mini split systems to massive commercial cooling projects, one component remains critical to every installation: the HVAC line set. While compressors and air handlers often grab the spotlight, the line s

READ MORE

Where is the AC Pipe, there is the Dabund Pipe.

We help you avoid the pitfalls to deliver the quality and value your HVAC&R products needs, on-time and on-budget.
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