About Us          Certificate          Blog           Contact Us           Free Sample
banner-bg

Professional Copper Line Set Manufacturer Since 2008

INNOVATING HVAC LINE SETS
POWERING GLOBAL COMFORT
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


05f85845bfa8ffd2beea0dbbeb86ba76.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
090E6FB8-D424-437F-81B5-247D31382EE0.jpg
[Insulated Copper Pipe Knowledge] Sep 16,2026
Top 10 Copper Line Set Factories in Asia

Introduction: The Continent That Keeps the World CoolLet me ask you something—when you flip on your air conditioner on a scorching summer day, do you ever wonder where the copper tubes inside it came from? Probably not. And honestly, who could blame you?But here's the thing: behind every cool breeze

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

INNOVATING HVAC LINE SET, POWERING GLOBAL COMFORT.

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

Products

dabund

Quick Links

Services

Contact us
© COPYRIGHT 2024 DABUND PIPE ALL RIGHTS RESERVED.