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

Welcome to Visit Our Factory

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Why DABUND is Trusted By 1000+ Global Importers?

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17+ Years’ Experience

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

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

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

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

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

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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
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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


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[Insulated Copper Pipe Knowledge] Jun 01,2026
Calculating the Labor Savings of Using Pre-Insulated HVAC Line Set on Commercial Jobs

Article# Calculating the Labor Savings of Using Pre-Insulated HVAC Line Set on Commercial JobsCommercial HVAC projects live and die by two factors: time and labor. Every hour spent installing copper tubing, wrapping insulation, sealing joints, and performing finishing work adds cost to a project. As

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[Insulated Copper Pipe Knowledge] May 25,2026
How to Properly Flare an AC Copper Pipe to Prevent Refrigerant Leaks

How to Properly Flare an AC Copper Pipe to Prevent Refrigerant LeaksAir conditioning systems are a lot like the circulatory system in the human body. Refrigerant flows through copper pipes just like blood flows through veins. And when there’s a leak? Everything starts falling apart. That’s why prope

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[Insulated Copper Pipe Knowledge] May 18,2026
Top 10 HVAC Copper Line Set in China

Top 10 HVAC Copper Line Set in ChinaIf HVAC systems were the human body, copper line sets would be the arteries carrying life through every vein. Without them, refrigerant couldn’t travel between indoor and outdoor units, and your air conditioner would become nothing more than an oversized fan.Today

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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

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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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