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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
Read More

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
Inquire
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

factory
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 10 Insulated Copper Line Set Factories in North America
2026-09-07

Let me ask you something—when you're shopping for a new mini split or heat pump, what's the first thing you look at? The BTU rating? The SEER efficiency? The brand name on the outdoor unit?Yeah, I thought so. We all do it. We obsess over the shiny equipment and completely ignore the humble copper tu

READ MORE
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Top 10 Mini Split Copper Line Set Factories in America
2026-09-02

READ MORE
lQDPJxK9btjyib_NBQDNB4CwKTMegEtz8dAI3R5FkeNPAQ_1920_1280.jpg
Top 10 Air Conditioner Parts Manufacturers in the USA
2026-08-24

Introduction: The Beating Heart of American ComfortLet me ask you something—when you walk into a cool, comfortable room on a blistering July afternoon, do you ever stop to think about what's actually making that happen? Probably not. And honestly, I don't blame you. We take air conditioning for gran

READ MORE
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Top 10 Insulated Copper Pipe Manufacturers in Canada
2026-08-17

Introduction: The Quiet Hero of Your HVAC SystemLet me ask you something—when was the last time you actually thought about the copper pipes that connect your air conditioner's indoor and outdoor units? Be honest. Probably never, right?And honestly, that's exactly how it should be. These unassuming t

READ MORE
6E17BAAF-294C-4E88-9AB0-3102567601E8_4_5005_c.jpeg
Top 10 AC Copper Line Set Manufacturers in Europe
2026-08-10

Top 10 AC Copper Line Set Manufacturers in EuropeIntroduction: Why Copper Line Sets Are the Lifeline of Your AC SystemLet's be honest for a second—when was the last time you actually thought about the copper pipes connecting your air conditioner's indoor and outdoor units? Probably never, right? And

READ MORE
E38B085C-C8AB-4335-BF0C-0F93E749049C_1_105_c.jpeg
Copper Line Set for Mini Split Vs Central AC: What Is The Difference?
2026-08-27

Why do some Copper Line Set orders sweat, leak, or get returned while others fit perfectly?It usually comes down to the wrong system match, not “bad luck.”In this post, you’ll learn how choosing the right Copper Line Set changes the job.

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copper-line-set6_482_364.jpg
What Are Electrical Whips​
2026-06-30

Have you ever wondered how HVAC systems maintain safe electrical connections? Electrical whips play a crucial role in this process. These pre-assembled conduits provide flexible, reliable links between power sources and equipment.

READ MORE
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Do Attic Fans Come with Electrical Whips​
2026-07-03

Are you unsure if your attic fan comes with electrical whips? These crucial components play a vital role in ensuring safe and effective ventilation in your home.In this article, we will clarify whether attic fans typically include electrical whips.

READ MORE
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How To Clean A AC Remote Control
2026-07-06

Have you ever wondered why your AC remote control isn’t working as well as it used to? Dust and grime can build up, causing signal issues and reduced functionality.In this article, we’ll explore the importance of maintaining your remote controller.

READ MORE
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Dabund News


HLS0M00P0016.png
[Insulated Copper Pipe Knowledge] Sep 07,2026
Top 10 Insulated Copper Line Set Factories in North America

Let me ask you something—when you're shopping for a new mini split or heat pump, what's the first thing you look at? The BTU rating? The SEER efficiency? The brand name on the outdoor unit?Yeah, I thought so. We all do it. We obsess over the shiny equipment and completely ignore the humble copper tu

READ MORE
lQDPJxK9btjyib_NBQDNB4CwKTMegEtz8dAI3R5FkeNPAQ_1920_1280.jpg
[Insulated Copper Pipe Knowledge] Sep 02,2026
Top 10 Mini Split Copper Line Set Factories in America

READ MORE
9.png
[Insulated Copper Pipe Knowledge] Aug 24,2026
Top 10 Air Conditioner Parts Manufacturers in the USA

Introduction: The Beating Heart of American ComfortLet me ask you something—when you walk into a cool, comfortable room on a blistering July afternoon, do you ever stop to think about what's actually making that happen? Probably not. And honestly, I don't blame you. We take air conditioning for gran

READ MORE
6E17BAAF-294C-4E88-9AB0-3102567601E8_4_5005_c.jpeg
[Insulated Copper Pipe Knowledge] Aug 17,2026
Top 10 Insulated Copper Pipe Manufacturers in Canada

Introduction: The Quiet Hero of Your HVAC SystemLet me ask you something—when was the last time you actually thought about the copper pipes that connect your air conditioner's indoor and outdoor units? Be honest. Probably never, right?And honestly, that's exactly how it should be. These unassuming t

READ MORE

INNOVATING HVAC LINE SET, POWERING GLOBAL COMFORT.

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