About Us          Certificate          Blog           Contact Us           Free Sample
banner-bg
Professional Copper Line Set Manufacturer Since 2008
Come and talk to Dabund Pipe, you will get the best price and good quality of Copper Line Set, Condenser Pad, Lineset Cover and other air conditioner parts.
Get The Best Price
banner-mobile

17 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.
 

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

About DABUND : Your Expert HVAC&R Products Supplier

CHANGZHOU DABUND PIPE CO., LTD. is a supplier of HVAC Line Sets for renowned brands such as Gree/Midea/Daikin and Carrier. We offer 5 Kinds of Insulation Pipes, with our self-produced PE Embossed Insulation Pipe featuring fire-resistant and high-temperature resistance properties, operating within a temperature range of -40℃ to 120℃. Our products utilize North American-certified copper materials with precision tolerances of +/-0.03mm. We provide 5-hour rapid response and 2-hour customized packaging design drawings. With over a decade of collaboration with professional freight forwarders and two warehouses in North America, we guarantee fast shipping within 10 days.
Our main products include HVAC Copper Line Sets, Air Conditioner Brackets (Wall Mounting/Floor Stands), and Lineset Cover Kits (available in various Colors with proprietary designs and models). We also supply other HVAC parts, such as Air Conditioner Cleaning Kits, Electric Whips, Disconnect Boxes and Condenser Pumps. For customers unable to meet MOQ requirements, we procure and maintain inventory to offer One-Stop Solution Services, saving your business at least 30% in costs while Reducing Time, Communication and Container Loading Efforts.
By 2030, our vision is to Help 30 Clients Achieve Annual Sales of $1 Million Each.
Growing hand-in-hand with global partners to build a high-efficiency, sustainable HVAC piping ecosystem.
 

DABUND MAKARON LINE COVER

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
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
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
Inquire
Add to Basket
Blue PVC Line Set Cover Decorative Air Conditioner Cover
HVAC Line Set Cover
Blue PVC Line Set Cover Decorative Air Conditioner Cover
Inquire
Add to Basket

Welcome to Visit Our Factory

6712D8E1-D7E0-41BC-A710-EF615D44838F_1_105_c
F68F04F2-4D78-4FEB-A9D9-9E9D1EC92C36_4_5005_c
crop_1756359396708
EED2EBB5-0DD3-4D0F-9A40-A6CDD0E9C11C_1_105_c
crop_1756359362107

Why DABUND is Trusted By 1000+ Global Importers?

crop_1756359927810

17+ Years’ Experience

We have 17+ years’ experience of copper line set, and have exported 100+ countries.
crop_1756359798928

Advanced Machine

We are constantly updating our factory machines and strive to produce higher quality products.
crop_1756358595753

Strong Supply

We have super productivity and can ship in the shortest time.
crop_1756358826668

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.
合照 (2)

Good Service

Our products have good after-sales service, our customer service is online 24 hours a day.
crop_1756360117088

Wide Market

Our products are shipped all over the world and are well recognized by customers.
IMG_20240818_111223
Free Sample
Free samples are available in custom design and packaging.
You will get a quick reply within 5 hours from Dabund Pipe.

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

Dabund News


lQDPJxK9btjyib_NBQDNB4CwKTMegEtz8dAI3R5FkeNPAQ_1920_1280.jpg
May 14,2026
Top 10 HVAC Copper Tube in China

Top 10 HVAC Copper Tube in ChinaWhen it comes to HVAC systems, copper tubes are the silent heroes behind efficient cooling and heating. Think of them as the veins of an air conditioning system—without high-quality copper tubing, refrigerant simply can’t flow properly. And if there’s one country domi

READ MORE
mmexport1776913450979.jpg
[Insulated Copper Pipe Knowledge] May 06,2026
Top 10 HVAC Insulated Copper Tube Factories in France

# Top 10 HVAC Insulated Copper Tube Factories in France## Introduction to HVAC Insulated Copper Tubes### What Are Insulated Copper Tubes?If HVAC systems had veins, insulated copper tubes would be them. These tubes carry refrigerant between components, ensuring efficient cooling and heating. The copp

READ MORE
8.png
[Insulated Copper Pipe Knowledge] Apr 28,2026
Top 10 HVAC Copper Line Set Factories in Germany

| # Top 10 HVAC Copper Line Set Factories in Germany || ## Introduction to HVAC Copper Line Sets |When it comes to HVAC systems, copper line sets are like the veins in a human body—they quietly carry refrigerant, ensuring everything runs smoothly. Without them, your air conditioning system simply wo

READ MORE
12.png
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

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.
Contact us

Products

Quick Links

Services

Contact us
© COPYRIGHT 2024 DABUND PIPE ALL RIGHTS RESERVED.