Top 10 Heat Sinks Manufacturers And Suppliers In China In 2025

Searching for the best heat sink manufacturers and suppliers in China? Then, read this whole article without skipping and pick your best match.

In China, there are thousands of companies available to choose from, and you have to follow some basic steps to find the top one. For instance, you can search them online, collect information, and compare each company with another.

If you find this process time-consuming, you can pick one from my list below. And I made this list after spending days researching–

What Is Heat Sink?

A heat sink is a passive thermal management device. Besides, the heat sink operates by maximizing surface area. It allows efficient heat exchange through conduction and convection. The heat sink is designed to dissipate heat generated by electronic components, such as CPUs and GPUs. Typically made from aluminum or copper, a heat sink transfers heat away from hot components to a cooling medium, air, or liquid. This way, it prevents overheating and failure and enhances the performance of the components.

Top 10 Heat Sinks Manufacturers And Suppliers In China In 2025

Position	Company Name	Located City	Established Year	Employee
1	Richconn	Guangdong	2003	51-200
2	Wellste	Zhenjiang	1996	51-200
3	Heatell	Zhenjiang	2013	11-50
4	Tuling	Guangdong	2012	300+
5	KINGKA	Dongguan	2010	–
6	Famos	Huizhou	2006	465+
7	Lori	Shenzhen	2008	201-500
8	Winshare Thermal Technology	Dongguan	2009	201-500
9	Sinda Thermal	Dongguan	2014	–
10	Uchi	Guangdong	2006	200+

1. Richconn

Richconn is a well-known heat sink manufacturing company in China, founded in 2003. With 200+ skilled workers and around 100 advanced machining equipment, they ensure product quality while maintaining international standards. Also, they have done more than 10,000 projects worldwide. 

Typically, their heat sinks are made from copper and aluminum. Hence, you can use them for applications like automotive manufacturing, electronics and computing, and industrial equipment. Also, their heat sinks are used in the lighting, medical, and electronics industries. 

With Richconn’s dedicated experts and the latest equipment, they ensure the durability and performance of the products. Besides, they offer a customized option to meet unique requirements and ensure customer satisfaction. Also, Richconn is best at offering quality customer service, if you ask any questions, their team will respond immediately. Plus, their cost-effective solution and on-time delivery make Richconn reliable for worldwide customers. 

Type of heat sink Richconn offers:

• Pin fin heat sink
• Flat/Straight fin heat sink
• Skived fin heat sink
• Circular fin heat sink
• Folded/fluted Fin heat sink

Along with this, they also offer custom heat sinks for several applications based on different materials, designs, and shapes you need.

2. Wellste

Wellste is one of the leading manufacturing companies in China for aluminum heat sinks. This company is involved in research, production, designing, and marketing the products. Besides, they produce and offer delivery services for all the products in a factory. 

Annually, Wellste produces 100,000 tons and has certifications from ISO14001 and ISO9001. This way, they ensure the quality of the products to the consumers. Also, they supply products on time and become a reliable company. Along with domestic, they also gain a reputation from overseas markets. 

Being established in 1996, this company has around 29 years of experience working in this industry. Besides, Wellste offers one-step services to satisfy customers. Their customized option is also popular among consumers worldwide.

3. Heatell

Heatell is a trusted company that manufactures heat sinks. Typically, they produce high-quality heat sinks, which dissipate heat efficiently. Therefore, you can get the best performative heat sinks for several electronic components. 

As they offer custom options for all heatsink types, you can order one based on the project requirements. This company’s SGS certification ensures that the heatsinks maintain international quality standards.

Furthermore, Heatell offers one manufactured solution for different products. Besides, they produce a wide range of heatsinks:

• Bonded heatsink
• Extruded heat sink
• die casting heat sink
• Heat sink plate
• Skived heat sink
• Pin fin heat sink
• cold forging heatsink

4. Tuling

Tuling has over 20 years of experience working in this industry. At first, they started the business by metal stamping in 2012. After that, they enhance the business in more areas. This company produces over 1000000 pieces of products each year.

In addition, Tuling’s heat sinks are lightweight and offer high thermal conductivity. They produce different types of heat sinks from different materials like aluminum, copper, stainless steel, and more. Also, their heat sinks are customized based on your unique needs. Whether different sizes, shapes, and materials, you can order the heat sink for several applications.

Apart from the domestic market, they supply products in 30+ countries. With up to 300 workers, they create flawless production and on-time delivery. Besides, this company has certificates like ISO14001, ISO9001, and IATF 16949, among others.

Types of heat sink Tuling’s produce:

• Copper heat sink
• Circular heat sink
• Aluminum heat sink
• Double-sided heat sink
• Honeycomb heat sink
• Extruded heat sink
• Folded fin heat sink
• Skived heat sink
• Pin fin heat sink

5. KINGKA

KINGKA was established in 2010 and has years of experience in the manufacturing of heat sinks. This company is also one of the leading companies in China. And their heat sinks are used worldwide for power energy, telecommunication, transportation, and more. 

Besides, this company has a professional R&D and experienced sales team. To provide better service and high-quality products, Kingka has 35 advanced CNC machines and precise testing equipment. Also, they invested in skiving, brazing, and liquid cold plate machines. Moreover, they produce different types of heat sinks:

• Brazing heat sink
• Cold forged heat sink
• Skived fin heat sink
• Extrusion heat sink
• Friction stir welded heat sink

6. Famos Tech Co., Ltd

Famos is a reputed heat sink manufacturer company situated in Guangdong, China. This company was built in 2006 and has designed, produced, and sold the products for more than 15 years now. With their 500 employees and over 50 engineers, they offer CPU, LED, and electronic industry heat sinks. 

In addition, they have a one-stop service to ensure customer satisfaction. And supply products to countries like Europe, Asia, Africa, and more. Also, they offer OEM and ODM systems and customize options to meet specific requirements. Their advanced production system and strict quality control make Famos reliable among customers worldwide. Also, they have certificates like ISO/TS 16949, ISO 9001, etc. Some of their heat sink types are:

• Extruded  heat sink
• Skived fin heat sink
• Pin fin heat sink
• Die cast heat sink
• Stamped heat sink
• Cold forged heat sink
• Heat pipe heat sink

7. Lori

Lori has been a leading heat sink manufacturer since 2008, specializing in custom heat sinks, and standard heat sinks. Equipped with advanced machinery like CNC centers, NC lathes, and thermal testing equipment, they ensure high efficiency, quality, and heat sinks at low costs. This is a professional manufacturer and designer of heat sinks. Besides, they have two factories, a total area of 20,000 square meters. 

Lori also has experienced engineers and a strong technical force. This way, they ensure product quality. ISO9001 & ISO14001 certified, their heat sinks serve industries like telecommunications, UPS, inverters, and wind power. Moreover, this company’s primary focus is on products of high efficiency, high quality, and high safety. Plus, they provide custom designs, quick quotes, and free thermal simulations. Their different types of heat sinks are:

• Bonded fin heat sink
• Extruded heat sink
• Cold forged heat sink
• Heat pipe heat sink
• Skived fin heat sink
• Folded heat sink
• Zipper fin heat sink
• Stacked fin heat sink
• Soldering heat sink

8. Winshare Thermal

Winshare Thermal Technology was established in 2009 by focusing on high-power cooling solutions. Typically, they made heat sinks with aluminum alloy. This material has benefits like being lightweight, good heat dissipation, easy processing, and low cost. Also, their copper heat sinks offer better thermal conductivity, corrosion resistance, and durability. Hence, their heat sinks can be used in wind power converters, electric car controllers, energy storage systems, inverter cooling solutions, PV inverter cooling solutions, and more. 

Also, the company invests in R&D facilities, labs, and workstations in collaboration with the South China University of Technology. Besides, they have partnerships with Fujitsu, Sea Control,  Sunshine Power, BYD, Guodian NARI, and Ocean Electric. Moreover, they have ISO9001, ISO14001, and TS16949 certified. A common type of heat sink, Winshare Thermal produces:

• Brazing heat sink
• Epoxy bonding heat sink
• Cold forged heat sink
• Extruded heat sink
• Skived fin heat sink
• Friction stir welded heat sink

9. Sinda Thermal

Sinda Thermal is a China-based company that was established in 2014. With their advanced CNC and stamping machines, they produce high-quality heat sinks. Also, they have different testing tools and an expert engineering team to ensure great precision.

Moreover, you can use their heatsinks for different things like telecommunications, new energy vehicles, IGBT, servers, and more. Not to mention that all the products of Sinda Thermal are certified by ISO9001 and ISO9000. This way, they offer high quality, excellent customer service, and affordable prices. Let’s see some of the different types of heat sinks they offer:

• Soldering heat sink
• Aluminum Heat Sinks
• Industrial Heat Sink
• CNC machined heat sink
• Skived Fin Heatsink
• Copper Heat Sink
• Stamping heat sink
• Die Casting Heatsink

10. Uchi

Uchi has years of experience since 2006 and has become a leading high-tech company specializing in developing and manufacturing heat sinks. Headquartered in Hong Kong, Uchi is well-known for its advanced technology and high-quality products. This way, they have gained strong recognition from international customers. 

Besides, they have gradually introduced advanced automated production equipment and testing instruments. To ensure the quality of the heat sinks, they have passed certification from ISO9001. Apart from this, they are also certified by CUL, UL, VDE, CSE, SGS, and more.

Types Of Heat Sink

Generally, heat sinks have three common types, each with unique features and advantages. Let’s explore them here:

1. Active Heat Sinks

Active heat sinks use a blower or fan to force air to make fluids flow faster over the heated area. For instance, when your PC starts to get warm, the fan automatically turns on to push the airflow across the sink. This way, the active heat sinks work and remove hot air.

2. Passive Heat Sinks

Passive heat sinks use natural airflow to cool down. That means hot air rises on its own, creating movement across the heat sink’s surface. Since they work without extra power or control systems, they are simple and reliable. However, you have to know that they are not as effective at cooling as active heat sinks.

3. Hybrid Heat Sinks

Hybrid heat sinks use both passive and active cooling methods. However, they are not as common as regular passive or active heat sinks. They often need a control system to adjust cooling based on temperature. At low temperatures, cooling happens naturally without a fan. Besides, the fan turns on when the device gets hotter.

How Does A Heat Sink Work?

Below, I have mentioned the working process of the heat sink. Take a look:

The source generates heat

Electronic components like CPUs, GPUs, and power transistors generate heat as a byproduct of their operation. And if this heat isn’t managed, the components can overheat. As a result, this leads to performance issues or even failure. Therefore, a heat sink’s primary function is to regulate a component’s temperature within acceptable limits.

Heat transfers away from the source

Here, heat moves into the heat sink and away from the source through natural conduction. This depends on how well the material of the heat sink conducts heat. That’s why materials like aluminum or copper are commonly used for heat sinks; they have good heat-conducting properties.

Heat distributes throughout the heat sinks

Heat moves through the heat sink, going from a hotter area to a cooler one. This means the heat sink won’t have an even temperature. As a result, heat sinks are usually hotter near the heat source and cooler at the ends.

Heat moves away from the heat sink

The last step is when heat moves away from the heat sink. This depends on the temperature difference in the sink and the cooling fluid, usually air or fluid that conducts electricity. The fluid flows over the heat sink, which carries heat away into the surrounding area through thermal convection. It’s important to remember that if the surrounding temperature is not cooler than the heat sink, the heat won’t be removed.

Materials Used In Heat Sink

Heat sinks can be made from aluminum and copper:

Aluminum

Aluminum is the most common material the manufacturer uses to produce heat sinks. For instance, they used aluminum in 1050, 6061, etc. Aluminum is easy to fabricate to make different designs. Its natural corrosion resistance ensures durability. 

It can also be anodized to improve surface hardness, wear resistance, and heat transfer. As this is the most cost-effective you use it more for places.

Copper

Copper has about twice the thermal conductivity of aluminum, around 400 W/(m·K) for pure copper. Also, it offers excellent thermal conductivity, corrosion resistance, and antimicrobial resistance.

Therefore, it can be used for industrial facilities, power plants, HVAC systems, and electronic systems. Not to mention that copper is frequently used in server heat sinks. However, it is denser and denser and more expensive than aluminum.

What Factors Affect Heat Sink Performance?

Many factors affect a heat sink’s performance, including material properties, design, and environmental conditions. Let’s see some key factors that affect a heat sink’s performance:

Surface area

A larger surface area allows for greater heat dissipation. Often, heat sinks use fins or pins to increase the effective surface area.

Airflow and convection

The rate of airflow over the fins is essential. The forced convection systems or fans can increase the heat transfer rate.

Thermal interface material (TIM)

A high-quality TIM fills microscopic gaps between the component and the heat sink. This way, it reduces thermal resistance and improves heat conduction.

Mounting and contact pressure

Proper mounting with sufficient pressure ensures good thermal contact, avoiding air gaps that reduce efficiency. However, over-tightening can cause damage.

Thermal resistance

Lower thermal resistance signifies a more efficient heat sink. The reason behind this is that it can dissipate more heat for a given temperature difference.

How To Choose The Right Heat Sinks Manufacturer In China?

To choose the right heat sink manufacturer in China, you have to few things take into consideration:

Specific needs

First, choose the specific heat sinks you want, from skived fin, aluminum extruded, zipper, fin, and more. Then, search for the company that makes particular heat sinks. After that, decide on the size constraints and your environment.

Customize option

If you have specific requirements, then choose the Chinese manufacturer that offers custom heat sinks. The best part is almost all the heat sink companies in China offer customized options.

Materials

Now, decide which materials you want to make with heat sinks. Aluminum and copper materials are most commonly used to make heat sinks.

Certifications and service

Check the manufacturer’s certifications, as this ensures product quality. You can look for certificates like ISO14001, ISO9001, and more. Besides, you can read some comments from the company website to see if they have any negative reviews. In this way, you can understand the manufacturer’s customer service.

Experience and on-time delivery

Choose a company that has years of experience working in the heat sink industry for long. Also, select a Chinese manufacturer that ensures on-time delivery.

Why Choose Chinese Heat Sinks Manufacturer And Supplier?

There are many reasons you can choose Chinese heat sink manufacturers and suppliers. For instance:

Advanced Manufacturing Capabilities

Chinese companies use state-of-the-art technology and processes for heat-shrink products. They also use CNC machining, skiving fin, die casting, and extrusion to produce high-quality heat sinks. This way, they make versatile heat sinks for applications like telecommunications, automotive, electronics, and more.

Quality Assurance And Certifications

In China, many reputable suppliers maintain international quality standards and get certifications like ISO 14001 and ISO9001. This way, they ensure quality and reflect their dedication to producing reliable products. Therefore, you can get the durability and best performance heat sinks.

Diverse Material

Also, the Chinese company used the best materials to create heat sinks, like aluminum and copper, each offering distinct advantages. Aluminum is lightweight and cost-effective, while copper provides superior thermal conductivity. Therefore you can choose the right material based on specific application needs.

Cost Efficiency

Chinese manufacturers provide heat sinks for as low as $0.05 to $50 per piece, depending on specifications and order quantities. This competitive pricing allows businesses to reduce production costs substantially while maintaining quality. For example, if a company orders 1,000 pieces at $2 each, the total cost would be $2,000, which is considerably lower than prices typically seen in Western markets.

Conclusion

So, these heat sink manufacturers and supplier companies are the best companies in China. And each company offers unique services and benefits, so you can choose one that fits your needs 
However, if you want to get the best heat sinks with customized requirements, contact Richconn. They have advanced CNC machines and skilled workers to fulfill your unique needs.

FAQs

Is the Chinese company best at manufacturing heat sinks?

China has many heat sink manufacturing companies. Some of these are industry leaders based on production capacity, product quality, and customer satisfaction. Also, the Chinese companies got many certificates to ensure quality. Their international standard products truly offer better performance.

Is the customized heat sink option available in Chinese manufacturers?

Almost all Chinese manufacturers offer customized heat sink options to meet specific requirements. This is one of the ways to satisfy customers and increase sales. Therefore, consumers can order heat sinks in different designs, shapes, and materials.

What industries use heat sinks manufactured in China?

There are many industries that widely use Chinese heat sinks in telecommunications, industrial automation, and power energy systems. Also, medical equipment, consumer electronics, and renewable energy systems use Chinese heat sinks.

How can I contact Chinese manufacturers for inquiries or orders?

Many Chinese manufacturers have dedicated websites with contact forms or customer service emails. You can email them with your questions right away, and they will reply as soon as possible.

What factors are essential to rank heat sink manufacturers in China?

Heat sink manufacturers are typically ranked based on annual production output, product range, and customization capabilities. At the same time, R&D investment and technological advancements, market presence, and export volume also affect the ranking.