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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

date2026-08-16

The Evolution of Yarn Dehydration Equipment in Textiles: Advancements, Innovations, and Future Trends

The Evolution of Yarn Dehydration Equipment in Textiles Table of Contents Introduction to Yarn Dehydration Equipment Historical Development of Yarn Dehydration Technologies Modern Technologies in Yarn Dehydration Key Mechanisms and Functions of Yarn Dehydration Equipment Types of Yarn Dehydration Equipment in Use Today Impact of Yarn Dehydration on Textile Production Effic

date2026-08-15

Exploring the Efficiency of Hank Yarn Processing Machine Lines in Textile Manufacturing

The hank yarn processing machine line is designed specifically to streamline the transformation of raw fibers into finished yarn hanks, which are essential for various textile applications. These machine lines integrate multiple stages of processing, including winding, twisting, and finishing, ensuring that the yarn produced meets the quality standards required by the textile sector. One of the pr

date2026-08-14

Why Every Textile Manufacturer Needs a Reliable Bobbin Yarn Dyeing Equipment System

Why Every Textile Manufacturer Needs a Reliable Bobbin Yarn Dyeing Equipment System Introduction to Bobbin Yarn Dyeing Equipment In the textile manufacturing industry, efficiency and consistency are paramount. One of the critical components that enable manufacturers to achieve these goals is **bobbin yarn dyeing equipment**. This specialized machinery is designed to dye yarn consistently while ens

date2026-08-13

Understanding Low Liquor Ratio Dyeing Machines: Revolutionizing Textile Dyeing Processes

In the textile industry, dyeing is a crucial process that impacts the final appearance and quality of the fabric. Traditionally, dyeing processes have relied on significant quantities of water, leading to challenges such as water wastage and environmental concerns. Enter the low liquor ratio dyeing machine—a game changer that addresses these issues while delivering high-quality results. Low liquor

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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