2025 Top 10 Color Doser Suppliers in China

Introduction to Color Doser

A color doser is a crucial piece of equipment in the plastic processing and other industries. It is designed to accurately measure and dispense colorants or additives into the raw material stream during the manufacturing process. This ensures consistent color quality, reduces waste, and improves production efficiency. By precisely controlling the amount of colorant added, manufacturers can achieve the desired color and properties of the final products, whether they are plastic products, fibers, or other materials. In China, there are several outstanding suppliers of color dosers, and here are the top 10 in 2025.

1. Ningbo Beilun Rhong Machinery Manufacturing Co., Ltd.

Ningbo Beilun Rhong Machinery Manufacturing Co., Ltd. is a well - established enterprise in the field of plastic machinery. With years of experience and continuous innovation, the company has made a name for itself in the global market. It is committed to providing high - quality plastic processing equipment, including color dosers.

The company's color dosers are known for their high precision and reliability. They are designed with advanced technology to ensure accurate dosing of colorants, which is essential for maintaining the color consistency of the final products. The control systems of their color dosers are user - friendly, allowing operators to easily set and adjust the dosing parameters.

Features:

• High - precision dosing: Utilizes advanced sensors and control algorithms to achieve accurate dosing within a very small error range.
• Modular design: The color dosers are modular, which makes them easy to install, maintain, and upgrade. Different modules can be combined according to different production requirements.
• Compatibility: Can be easily integrated with various types of plastic processing machines, such as injection molding machines, extrusion machines, etc.

Advantages:

• Strong R & D capabilities: The company invests a significant amount of resources in research and development, constantly improving the performance and functionality of its color dosers.
• Good after - sales service: It has a professional after - sales service team that can quickly respond to customers' needs and provide timely technical support and maintenance services.
• Global market presence: The products are exported to many countries and regions around the world, which indicates the high quality and competitiveness of its color dosers in the international market.

Website: https://www.rhongmachines.com/

2. Chen Hsong Holdings Limited

Chen Hsong is a well - known brand in the plastic machinery industry. It has a long history of more than 50 years in manufacturing plastic injection molding machines and related equipment. The company's color dosers are an important part of its product portfolio.

The color dosers from Chen Hsong are developed based on the company's in - depth understanding of the plastic processing process. They are designed to work seamlessly with the company's injection molding machines, providing a complete solution for plastic product manufacturing.

Features:

• Intelligent control system: The color dosers are equipped with an intelligent control system that can automatically adjust the dosing amount according to the production speed and other parameters. This ensures that the colorant is evenly distributed in the plastic material.
• High - speed dosing: Capable of high - speed dosing, which is suitable for high - volume production lines. This helps to improve the production efficiency of plastic products.
• Safety features: Incorporates multiple safety features, such as overload protection and emergency stop buttons, to ensure the safety of operators during the operation.

Advantages:

• Brand reputation: With a long - standing reputation in the plastic machinery industry, customers can trust the quality and performance of Chen Hsong's color dosers.
• Comprehensive product range: In addition to color dosers, the company offers a wide range of plastic processing equipment, which allows customers to source all their equipment needs from a single supplier.
• Technical support network: It has a large - scale technical support network, which can provide on - site installation, training, and maintenance services to customers around the world.

3. Haitian International Holdings Limited

Haitian International is one of the largest plastic machinery manufacturers in the world. It has a strong R & D and manufacturing capabilities. The company's color dosers are designed to meet the high - end requirements of the global plastic processing market.

The color dosers from Haitian International are characterized by their advanced technology and high - quality components. They are built to withstand the harsh working conditions of industrial production and provide long - term stable performance.

Features:

• Advanced dosing technology: Adopts the latest dosing technology, such as volumetric and gravimetric dosing methods, to ensure accurate and consistent dosing of colorants.
• Remote monitoring and control: Can be connected to a remote monitoring system, allowing operators to monitor and control the dosing process from a distance. This is very convenient for large - scale production plants.
• Energy - efficient design: The color dosers are designed with energy - saving features, which can reduce the energy consumption during the operation, thus lowering the production cost.

Advantages:

• Economies of scale: Due to its large - scale production, the company can offer cost - effective color dosers without sacrificing quality.
• Continuous innovation: Haitian International is constantly investing in research and development to introduce new features and technologies to its color dosers, keeping up with the latest market trends.
• Global service network: It has a global service network that can provide prompt and efficient after - sales service to customers in different regions.

4. Yizumi Precision Machinery Co., Ltd.

Yizumi is a leading enterprise in the field of high - end plastic machinery. The company focuses on providing innovative and high - performance plastic processing solutions. Its color dosers are designed to be highly flexible and adaptable to different production requirements.

The color dosers from Yizumi are developed with a customer - centric approach. They are easy to operate and can be customized according to the specific needs of customers.

Features:

• Flexible dosing options: Offer a variety of dosing options, such as single - component and multi - component dosing, to meet the different colorant requirements of plastic products.
• Quick changeover: The color dosers can be quickly changed over between different colorants, which is very useful for small - batch and multi - variety production.
• Data management system: Equipped with a data management system that can record and analyze the dosing data, providing valuable information for production management and quality control.

Advantages:

• Customization ability: The company has a strong ability to customize color dosers according to the specific requirements of customers, which can better meet the diverse needs of the market.
• High - quality manufacturing: Yizumi adheres to strict quality control standards in the manufacturing process, ensuring the high quality and reliability of its color dosers.
• Innovative R & D concepts: It emphasizes innovation in R & D, constantly exploring new technologies and materials to improve the performance of its color dosers.

5. Demag Plastics Group (China) Co., Ltd.

Demag is a well - recognized brand in the global plastic machinery industry. In China, Demag Plastics Group (China) Co., Ltd. manufactures and sells high - quality plastic processing equipment, including color dosers.

The color dosers from Demag are known for their excellent craftsmanship and high - end performance. They are designed to provide precise and stable dosing in the most demanding production environments.

Features:

• Precision engineering: The color dosers are engineered with high precision, ensuring accurate dosing of colorants even in high - speed production processes.
• Robust construction: Built with high - quality materials and a robust structure, the color dosers can withstand heavy - duty use and have a long service life.
• Advanced software control: Utilizes advanced software control systems that offer a high level of automation and flexibility in dosing operations.

Advantages:

• International brand influence: As an international brand, Demag's color dosers are trusted by customers around the world, which gives it a competitive edge in the market.
• Technical heritage: The company has a long - standing technical heritage in the plastic machinery industry, which is reflected in the high - quality design and performance of its color dosers.
• Training and support: Demag provides comprehensive training and support services to its customers, helping them to fully utilize the capabilities of the color dosers.

6. KraussMaffei Technologies (China) Co., Ltd.

KraussMaffei is a global leader in the field of plastic and rubber processing machinery. In China, the company offers a wide range of products, including color dosers.

The color dosers from KraussMaffei are designed to meet the strict quality and performance requirements of the automotive, packaging, and other industries. They are known for their high - end technology and excellent reliability.

Features:

• Integrated solutions: The color dosers can be integrated into complete production lines, providing a seamless solution for plastic product manufacturing.
• High - accuracy dosing: Achieve extremely high accuracy in dosing, which is crucial for industries that require strict color consistency, such as the automotive industry.
• Advanced mixing technology: Incorporates advanced mixing technology to ensure that the colorant is evenly distributed in the plastic material.

Advantages:

• Industry - specific expertise: KraussMaffei has in - depth expertise in different industries, which allows it to design color dosers that are specifically tailored to the needs of each industry.
• Global R & D resources: The company can leverage its global R & D resources to continuously improve the performance and functionality of its color dosers.
• Long - term customer relationships: It has established long - term relationships with many customers, which is a testament to the quality and service of its color dosers.

7. Milacron Holdings Corp. (China)

Milacron is a well - established company in the plastic processing machinery industry. In China, it offers a range of products, including color dosers that are designed to provide efficient and accurate dosing solutions.

The color dosers from Milacron are characterized by their simplicity of operation and high - performance features. They are suitable for both small - scale and large - scale plastic processing enterprises.

Features:

• User - friendly interface: The control interface of the color dosers is user - friendly, making it easy for operators to set up and operate the equipment.
• Reliable performance: With a proven track record of reliability, the color dosers can operate continuously without frequent breakdowns.
• Cost - effective: Offer a cost - effective solution for plastic processing enterprises, providing high - quality dosing at a reasonable price.

Advantages:

• Industry experience: Milacron has decades of experience in the plastic machinery industry, which gives it a deep understanding of the market and customer needs.
• Product innovation: The company is committed to product innovation, constantly improving the design and performance of its color dosers.
• Local support: In China, Milacron has a local support team that can provide timely and effective after - sales service to customers.

8. Arburg (China) Co., Ltd.

Arburg is a German - owned company that is well - known for its high - quality plastic injection molding machines and related equipment. In China, Arburg (China) Co., Ltd. also offers color dosers that are of the highest standard.

The color dosers from Arburg are designed to work in harmony with the company's injection molding machines. They are built with precision and attention to detail, ensuring excellent performance.

Features:

• Precision dosing: The color dosers can achieve very precise dosing, which is essential for producing high - quality plastic products with consistent color.
• Compact design: Have a compact design, which saves space in the production workshop. This is especially important for small - and medium - sized enterprises.
• High - quality components: Use high - quality components from well - known suppliers, which ensures the long - term reliability of the color dosers.

Advantages:

• German engineering quality: The products are engineered with German precision and quality standards, which are highly regarded in the global market.
• System integration: Arburg can provide a complete system integration solution, including injection molding machines and color dosers, which simplifies the production process for customers.
• Training and education: The company offers comprehensive training and education programs for its customers, helping them to improve their production skills and efficiency.

9. Engel Machinery (Shanghai) Co., Ltd.

Engel is a leading manufacturer of injection molding machines and automation solutions. In China, Engel Machinery (Shanghai) Co., Ltd. also offers color dosers that are designed to enhance the performance of the injection molding process.

The color dosers from Engel are developed with the latest technology to ensure accurate and efficient dosing of colorants. They are an important part of Engel's overall solution for plastic product manufacturing.

Features:

• Automated dosing: The color dosers can be fully automated, reducing the need for manual intervention and improving the consistency of the dosing process.
• Real - time monitoring: Equipped with real - time monitoring systems that can detect any abnormalities in the dosing process and provide timely alerts.
• Energy - saving operation: Designed to operate in an energy - saving manner, which helps to reduce the production cost of plastic products.

Advantages:

• Systematic approach: Engel takes a systematic approach to plastic processing, which means that the color dosers are designed to work seamlessly with other components of the production system.
• Innovation leadership: The company is at the forefront of innovation in the plastic machinery industry, constantly introducing new features and technologies to its color dosers.
• Global service and support: Engel has a global service and support network, which can ensure that customers in China receive the same high - level service as those in other parts of the world.

10. Wittmann Battenfeld (China) Co., Ltd.

Wittmann Battenfeld is a well - known supplier of plastic processing equipment. In China, the company offers color dosers that are known for their high - quality and advanced technology.

The color dosers from Wittmann Battenfeld are designed to provide precise and reliable dosing in a variety of plastic processing applications. They are suitable for different types of colorants and plastic materials.

Features:

• Versatile dosing options: Offer a wide range of dosing options, including micro - dosing for small - quantity colorant addition.
• Easy cleaning: The color dosers are designed to be easy to clean, which is important for preventing color contamination between different production runs.
• Advanced control algorithms: Utilize advanced control algorithms to optimize the dosing process and ensure the best possible color quality.

Advantages:

• Comprehensive product portfolio: In addition to color dosers, Wittmann Battenfeld offers a comprehensive range of plastic processing equipment, which gives customers more choices and a one - stop - shopping experience.
• Technical innovation: The company is committed to technical innovation, constantly improving the performance and functionality of its color dosers.
• Customer - oriented service: Wittmann Battenfeld focuses on providing customer - oriented service, understanding the specific needs of customers and providing customized solutions.

Conclusion

The top 10 color doser suppliers in China in 2025 offer a wide range of high - quality products with various features and advantages. These suppliers, including Ningbo Beilun Rhong Machinery Manufacturing Co., Ltd., Chen Hsong Holdings Limited, and others, have their own unique selling points. Some are known for their high - precision dosing, while others are recognized for their innovative technology, strong R & D capabilities, or excellent after - sales service.

For plastic processing enterprises, choosing the right color doser supplier is crucial for ensuring the quality of their products, improving production efficiency, and reducing costs. Whether it is a large - scale enterprise with high - volume production requirements or a small - and medium - sized enterprise looking for a cost - effective solution, there is a suitable color doser supplier among these top 10 in China.

In the future, with the continuous development of the plastic processing industry, these suppliers are expected to further innovate and improve their products to meet the ever - changing market demands. They will also play an important role in promoting the development of the global plastic processing industry.