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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

date2026-09-14

Understanding Hank Yarn Processing Machine Lines: Essential Insights for Textile Manufacturing

Hank yarn processing machine lines are crucial components in the textile manufacturing industry, particularly for producing high-quality yarns for various applications. The process typically involves several stages, including winding, dyeing, and finishing, each of which requires specialized machinery designed to handle different aspects of yarn processing. One of the primary functions of a hank

date2026-09-13

Innovations in Textile Machinery: A Comprehensive Guide to Bobbin Yarn Dyeing Equipment

Innovations in Textile Machinery: Understanding Bobbin Yarn Dyeing Equipment Table of Contents 1. Introduction to Bobbin Yarn Dyeing Equipment 2. Importance of Bobbin Yarn Dyeing in Textile Manufacturing 3. Principles of Bobbin Yarn Dyeing 4. Innovations in Bobbin Yarn Dyeing Equipment 4.1 Automation and Smart Technologies 4.2 Eco

date2026-09-12

Maximizing Efficiency with Low Liquor Ratio Dyeing Machines

In the textile manufacturing sector, the low liquor ratio dyeing machine represents a significant advancement in dyeing technology. These machines are engineered to optimize the dyeing process by minimizing the amount of water and chemicals required. The term "liquor ratio" refers to the relationship between the volume of dyeing liquor (water and dye) and the fabric weight. A lower liquor ratio me

date2026-09-11

Maximizing Textile Production with Automatic Centrifugal Dehydrator Systems: Key Features for Enhanced Efficiency

Maximizing Textile Production with Automatic Centrifugal Dehydrator Systems: Key Features for Enhanced Efficiency Table of Contents 1. Introduction to Automatic Centrifugal Dehydrators 2. Importance of Dehydration in Textile Processing 3. Essential Features of Automatic Centrifugal Dehydrator Systems 3.1 Energy Efficiency 3.2 Advanced Automation Featur

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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