Air Conditioner Line Set & Pre-insulation Copper Pipe & AC Bracket & Line Set Cover

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".

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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.

Get Sample

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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Designed for Marketing

You will get a website that feels good and is easy to market.

Flexible editing

You can operate the website without code technology.

Easy to manage

Rich management background makes website operation easy.

Data visualization

Here you can see the various data of the website.

Designed for Marketing

You will get a website that feels good and is easy to market.
Flexible editing

You can operate the website without code technology.
Easy to manage

Rich management background makes website operation easy.
Data visualization

Here you can see the various data of the website.

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

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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.

Pre Insulated Copper Tubing

HVAC Line Set Pre Insulated Copper Tubing

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HVAC Line Set Cover

Gray Air Conditioner Duct Design PVC Line Set Cover Kit

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HVAC Line Set Cover

Black PVC Line Set Cover Air Conditioner Line Set Duct Cover

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HVAC Line Set Cover

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

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Welcome to Visit Our Factory

Introduction

Furniture decoration

This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Furniture decoration

This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.
Furniture decoration

This area can be fully edited and gives you the opportunity to introduce yourself, your website, your products or your services.

Why DABUND is Trusted By 1000+ Global Importers?

16+ Years’ Experience

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

Advanced Machine

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

Strong Supply

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

Quality Assurance

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

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

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

Wide Market

Our products are shipped all over the world and are well recognized by customers.

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.

Specialized in product

Expertise in type

Superior to heart

Economy is more affordable

Superior to heart

Economy is more affordable

Expertise in type

Customers Installation Case

1/4'' & 1/2'' Line Set

1/4 3/8 line set 50 feet long

3/8 3/4 50' line set

7/8 3/8 Copper Line Set 35 feet Long

1/4 3/8 line set 50 feet long

3/8 3/4 35' line set

Insulated copper pipe ac installation kit

Copper Piping Kit for Mini Split Installation

25 Ft. Copper Pipes for Mini Split Air

Insulated Copper Tube 1/4" 3/8"

3/8 Copper tubing 50 ft

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Calculating the Labor Savings of Using Pre-Insulated HVAC Line Set on Commercial Jobs

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How to Properly Flare an AC Copper Pipe to Prevent Refrigerant Leaks

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Dabund News

Jun 09,2026

16 Years Factory

5 Days For Sample

1,000,000 PCS Per Month

HVAC Line Set Pre Insulated Copper Tubing

Gray Air Conditioner Duct Design PVC Line Set Cover Kit

Black PVC Line Set Cover Air Conditioner Line Set Duct Cover

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

Blue PVC Line Set Cover Decorative Air Conditioner Cover

DABUND PIPE

About DABUND : Your Expert HVAC&R Products Supplier

DABUND MAKARON LINE COVER

Welcome to Visit Our Factory

Why DABUND is Trusted By 1000+ Global Importers?

16+ Years’ Experience

Advanced Machine

Strong Supply

Quality Assurance

Fast Shipping

Good Service

Wide Market

Customers Installation Case

AC Control Board Manufacturing: OEM Vs Aftermarket Guide

How Much Does An AC Control Board Cost? OEM Vs Aftermarket Price Guide (2026)

AC Control Board Failure: Top Symptoms And Replacement Guide

AC Control Board Troubleshooting: A Complete Testing Guide

What Is An AC Control Board? Functions, Components And How It Works

Calculating the Labor Savings of Using Pre-Insulated HVAC Line Set on Commercial Jobs

How to Properly Flare an AC Copper Pipe to Prevent Refrigerant Leaks

Top 10 HVAC Copper Line Set in China

Top 10 HVAC Copper Tube in China

Dabund News

AC Control Board Manufacturing: OEM Vs Aftermarket Guide

How Much Does An AC Control Board Cost? OEM Vs Aftermarket Price Guide (2026)

AC Control Board Failure: Top Symptoms And Replacement Guide

AC Control Board Troubleshooting: A Complete Testing Guide

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

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