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Donggeng
Textile printing and dyeing machinery manufacturer
Donggeng
Textile printing and dyeing machinery manufacturer
Donggeng
Textile printing and dyeing machinery manufacturer
Donggeng
Textile printing and dyeing machinery manufacturer
Donggeng
Textile printing and dyeing machinery manufacturer
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East Heptanoic Machinery

Professionally engaged in the R&D and manufacturing of textile printing and dyeing machinery and equipment.

Nantong East Heptanoic Machinery Co., Ltd., east of the Yellow Sea, south of the Yangtze River, is located in the Yangtze River Delta Shanghai Economic Circle, the northern wing of Nantong City. It is located in Taoyuan Industrial Park, Rugao Software Park, the hometown of longevity. The company specializes in the development and manufacture of textile printing and dyeing machinery and equipment. It is a private science and technology enterprise in Jiangsu Province and a high-tech enterprise in Jiangsu Province, and enjoys a good reputation among peers in the industry.

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30 +

More than 30 years of dedicated expertise in the field of textile printing and dyeing machinery.


15000 square meter

Land area of the Donggeng production base


East Heptanoic Machinery

MANUFACTURE

East Heptanoic Machinery Manufacturing Capabilities

As a technology-driven enterprise, the company continuously enhances product quality while placing even greater emphasis on team building—after all, the corporate team is the driving force behind the company’s development. The people of East Heptanoic keep forging ahead on the path of corporate growth, relentlessly pushing forward with innovation and unwavering determination.

Technological Innovation
The company actively conducts technological research and development in fields such as dyeing machines, obtaining numerous patents. Through its unique design of printing and dyeing equipment, it reduces dye waste and ensures more uniform printing and dyeing.
Product Innovation
The company not only produces traditional dyeing and finishing machinery, but also develops various products such as high-temperature and high-pressure jet-type hank dyeing machines, and normal-temperature and normal-pressure jet-type hank dyeing machines. By setting up a color mixing mechanism, precise control over dye ratio is achieved.
Honors
The honor underscores the company's high regard and strict control over product quality. From the selection of raw materials to every aspect of the production process, Donggeng Machinery adheres to the attitude of striving for excellence, ensuring stable product performance, reliability, and durability. Its dyeing machines and other products have won wide acclaim from customers and high recognition in the market due to their high quality, high efficiency, and low energy consumption.
Production Process
1. Reel yarn to hank yarn; 2. Pretreatment equipment (washing/soaping/bleaching); 3. Dewatering; 4. Drying; 5. Desizing/soaping/softening; 6. Fixing (steam); 7. Multicolor dyeing machine; 8. Dewatering; 9. Drying; 10. Hank yarn to reel yarn.
Service Support
Professional customers are always ready to answer your questions and provide professional advice.
Provide solutions in the textile field
With strong technical force, excellent processing equipment, advanced product technology, complete testing methods, stable quality, and reliable performance, our products not only meet the needs of customers at home and abroad, but also

News & Events

Stay updated on Dongeng’s latest developments at all times

date2026-11-10

Exploring Hank Yarn Processing Machine Lines: Innovations in Textile Machinery

In the textile manufacturing industry, the processing of yarn is a critical step that determines the quality and efficiency of the final products. One of the pivotal advancements in this area is the development of hank yarn processing machine lines. These specialized machines are designed to streamline the conversion of raw fibers into high-quality yarn, facilitating various applications in textil

date2026-11-09

A Comprehensive Guide to Bobbin Yarn Dyeing Equipment Systems in Textile Manufacturing

A Comprehensive Guide to Bobbin Yarn Dyeing Equipment Systems in Textile Manufacturing Table of Contents 1. Introduction to Bobbin Yarn Dyeing 2. Importance of Bobbin Yarn Dyeing in Textile Manufacturing 3. Essential Bobbin Yarn Dyeing Equipment 3.1 Types of Dyeing Machines Used 3.2 The Dyeing Process Explained 4. Choosing the Right M

date2026-10-12

Understanding Low Liquor Ratio Dyeing Machines: Innovation in Textile Processing

Low liquor ratio dyeing machines represent a significant advancement in the textile industry, particularly in the dyeing process of various fabrics. Traditional dyeing methods often require a substantial amount of water, which can lead to excessive resource consumption and environmental concerns. In contrast, low liquor ratio dyeing machines are designed to minimize water usage while ensuring a hi

date2026-10-11

Enhancing Production Lines with Automatic Centrifugal Dehydrator Systems

Enhancing Production Lines with Automatic Centrifugal Dehydrator Systems In today's competitive manufacturing landscape, optimizing production lines is crucial for maintaining efficiency and ensuring high-quality output. One of the key technologies that have emerged to revolutionize production processes is the **automatic centrifugal dehydrator system**. These systems are designed to enhance dewat

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Nantong East Heptanoic Machinery Co., Ltd.

Foreign trade contact phone (WeChat and WhatsApp share the same number)

Address

No.9,Peach Gold Road, Taoyuan Town, Rugao City, Jiangsu Province, China