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14 Years Factory

We produce the Air Conditioner Line Sets, Pre-Insulated Copper Pipes, Air Conditioner Copper Pipe Kits Etc since 2008 year.We are constantly updating our production lines to optimize the machining process.

5 Days For Sample

We can offer you free samples of our Air Conditioner Copper Pipe Line Set, Pre-insulated Copper Pipe Roll,Air Conditioner Installation Pipe Kit and Air Conditioner Other Parts. we will send you sample into fast 5days.

1,000,000 PCS Per Month

2 Factories, 30 Electric Welding Machines, 4 Auto-Package Machines,30000m^2 Work Space, we focus on producing Air Conditioner Installation Pipe Kit, Air Conditioner Bracket and Air Conditioner Duct Etc. We will offer you fast lead time.

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About DABUND : Your Expert HVAC&R Products Supplier

Changzhou DABUND Pipe Co., Ltd. is a professional manufacturer of HVAC parts air conditioner installation pipe kit.Including insulated copper pipe and air conditioner installation pipe kit. We also manufacture the white embossed PE insulation and aluminum pipes by ourself, to save cost for customers. With scientific progressive conception of rapid introduction, we make our air conditioner connecting pipe cover many overseas markets. And we are willing to be ONE-STOP Purchasing of HVAC & R parts, including Air Conditioner Bracket, Air Conditioner Duct, Rubber insulation, Air Conditioner Drain Hose,Air conditioner pump and Base 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. 
Quality first priority, we believe that the market is a true test of the vitality of enterprises. We welcome customers and friends from around the world to cooperate with us and look forward to receiving your inquiries in the near future.Enjoy DABUND Enjoy Life.

Welcome to Visit Our Factory

Why DABUND is Trusted By 1000+ Global Importers?

14+ Years’ Experience

We have 14+ years’ experience of HVAC&R products, 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.
We will be in a very short period of time to give you a satisfactory reply.

Overseas Project Cases

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


[Mini Split Line Set knowledge] Oct 20,2022
How to Choose HVAC Mini Split Line Sets

Dabund is a professional manufacturer of mini split line set. It has complete production machines and rich experience in foreign trade exports. Many customers are not professional mini split line sets buyers and do not know how to choose specifications and styles, we need to provide high-quality answer services at this time. Rich export experience enables us to summarize the requirements for mini split line sets in different countries and regions. By choosing dabund, you can not only obtain high-quality mini split line set, but also obtain more correct knowledge of it.

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[Insulated Copper Pipe Knowledge] Apr 21,2022
How to choose high-quality mini split line sets?

Summer is coming, and as the temperature gets higher and higher, people use air conditioners more and more frequently. However, some people find that the cooling of the air conditioner is deteriorated due to the aging of the connecting pipe of the air conditioner when using the air conditioner.

[Insulated Copper Pipe Knowledge] Apr 12,2022
What OEM/ODM services can we provide on Pre-insulated copper line set?

Customize information on the outer layer of the insulated copper pipe line set,Customers can customize the information on the Aircon copper pipe carton.​ DABUND PIPE Committed to providing customers with better copper pipes and services, 24 hours a day online service,looking forward to your inquiry!

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[Insulated Copper Pipe Knowledge] Mar 04,2022
How to Install Copper Pipe Insulation?

Copper pipe insulation is a critical part of a home’s plumbing system. Even if you do not have copper pipes in your home, pipe insulation remains essential because it protects pipes from freezing.


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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