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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

HVAC Line Set Pre Insulated Copper Tubing

HVAC Line Set Pre Insulated Copper Tubing
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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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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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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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Blue PVC Line Set Cover Decorative Air Conditioner Cover

Blue PVC Line Set Cover Decorative Air Conditioner 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

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

Welcome to Visit Our Factory

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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 Copper Line Set Factories in America
2026-04-20

## Introduction to Copper Line SetsIf you’ve ever installed or maintained an HVAC system, you already know—copper line sets are the silent backbone of cooling performance. They don’t get much attention, but without them, your air conditioner is basically useless.So, where do the best copper line set

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Top 10 AC Brackets in America
2026-04-13

Introduction to AC BracketsWhat Is an AC Bracket?Let’s start with the basics. An AC bracket is the backbone of your air conditioning setup—literally. It’s the metal support system that holds your outdoor unit in place, whether it’s mounted on a wall, roof, or the ground. Without it? Your AC unit wou

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Top 10 Line Set Cover Factory in America
2026-04-07

## Introduction to Line Set Covers### What Is a Line Set Cover?Let’s keep it simple—line set covers are like the “armor” for your HVAC piping. They protect refrigerant lines from weather, UV rays, and physical damage while keeping installations neat and professional. Think of them as the finishing t

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The Best Line Set Cover Supplier – Why Dabund Brand Stands Out
2026-03-31

| ## Introduction to Dabund Brand Line Set Covers |When you’re sourcing line set covers for HVAC or refrigeration systems, one question always comes up: Which supplier can I truly rely on? The answer for many global buyers is clear—Dabund brand.Dabund isn’t just another manufacturer. It’s a one-stop

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Premium AC Brackets for Reliable HVAC Systems — Built to Last, Engineered to Perform
2026-03-23

Premium AC Brackets for Reliable HVAC Systems — Built to Last, Engineered to PerformStruggling with weak AC brackets, rust issues, or unstable installations?You’re not alone—and you’re in the right place.We supply heavy-duty, corrosion-resistant AC brackets trusted by HVAC contractors, distri

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Supplier of Insulated Copper Pipe for High-Performance Refrigeration System Solutions
2026-03-18

# Supplier of Insulated Copper Pipe for High-Performance Refrigeration System Solutions## Introduction to Insulated Copper Pipes### What Are Insulated Copper Pipes?Imagine a highway where refrigerant flows smoothly without interruptions—that’s exactly what insulated copper pipes do for refrigeration

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A Leading Manufacturer of HVAC Line Set: Offering Reliable and Affordable Refrigeration Systems
2026-03-10

IntroductionWhen it comes to modern cooling systems, one small component plays a surprisingly powerful role: the HVAC line set. Without it, your air conditioner or refrigeration system simply cannot function. Think of it as the circulatory system of your cooling unit, transporting refrigerant betwee

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DABUND Showcases HVAC Innovation at the 2026 AHR Expo, Strengthening Global Partnerships
2026-02-10

DABUND Showcases HVAC Innovation at the 2026 AHR Expo, Strengthening Global PartnershipsIn 2026, DABUND proudly participated once again in the AHR Expo, the world’s leading exhibition for HVACR professionals. As a company that has attended the AHR Expo every year, this event remains one of the most

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Top 10 Insulated Copper Pipe Manufacturers in America
2026-02-02

If HVAC systems were the circulatory system of a building, insulated copper pipes would be the arteries—quietly moving refrigerant, maintaining temperature, and keeping everything alive and efficient. Whether you’re installing a mini split in a home or engineering a large commercial HVAC system, the

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Dabund News


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Apr 20,2026
Top 10 Copper Line Set Factories in America

## Introduction to Copper Line SetsIf you’ve ever installed or maintained an HVAC system, you already know—copper line sets are the silent backbone of cooling performance. They don’t get much attention, but without them, your air conditioner is basically useless.So, where do the best copper line set

READ MORE
60.png
[Insulated Copper Pipe Knowledge] Apr 13,2026
Top 10 AC Brackets in America

Introduction to AC BracketsWhat Is an AC Bracket?Let’s start with the basics. An AC bracket is the backbone of your air conditioning setup—literally. It’s the metal support system that holds your outdoor unit in place, whether it’s mounted on a wall, roof, or the ground. Without it? Your AC unit wou

READ MORE
6803F9A2-8C16-4D96-AD8C-546DC88F0B21-15121-00000B4D35775A90_800_800.png
[Insulated Copper Pipe Knowledge] Apr 07,2026
Top 10 Line Set Cover Factory in America

## Introduction to Line Set Covers### What Is a Line Set Cover?Let’s keep it simple—line set covers are like the “armor” for your HVAC piping. They protect refrigerant lines from weather, UV rays, and physical damage while keeping installations neat and professional. Think of them as the finishing t

READ MORE
3.png
[Insulated Copper Pipe Knowledge] Mar 31,2026
The Best Line Set Cover Supplier – Why Dabund Brand Stands Out

| ## Introduction to Dabund Brand Line Set Covers |When you’re sourcing line set covers for HVAC or refrigeration systems, one question always comes up: Which supplier can I truly rely on? The answer for many global buyers is clear—Dabund brand.Dabund isn’t just another manufacturer. It’s a one-stop

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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