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Hubei Zezhuang Technology Industrial Development Co., Ltd. is professionalChina Nylon Acid Dyeing Shade Control System Manufacturers and Wholesale Nylon Acid Dyeing Shade Control System OEM/ODM Suppliers, established in 2011 as Shanghai Zezhuang Industrial Co., Ltd., is located in Fengjing Town, Jinshan, known as the "crossroads of Wu and Yue" and often referred to as "three steps and two bridges". It is a high-tech enterprise specializing in the research, development, production, and sales of textile dyeing and finishing auxiliaries. The company's products cover the entire process of various technological chains, including textile printing and dyeing, coating, lamination, calendering, setting, washing, printing, and bronzing. The company boasts independent R&D, testing, and after-sales centers. It has established long-term cooperation mechanisms with Wuhan Textile University, Guangdong Wuyi University, Hunan University of Engineering, and other institutions.
The company employs two Ph.D. holders in chemistry, eight master's degree holders, and twenty-three bachelor's degree holders. Currently, the company has its marketing headquarters in Suzhou, Jiangsu (Suzhou Zezhuang New Material Co., Ltd.), a production base in Hangzhou, Zhejiang, and sales offices in Zhejiang, Hubei, Guangdong, Fujian, Shandong, and other places. Zhejiang Yongshuo Import and Export Co., Ltd., as the foreign trade company of Zezhuang Industry, focuses on expanding overseas markets. In 2023, the company established a new production base in Jingzhou, Hubei, and founded Hubei Zezhuang Technology Co., Ltd., covering an area of 60 acres with a total investment of 380 million yuan.
We will strengthen our industrial layout, increase R&D investment, and commit to the development and promotion of green and environmentally friendly products that are low-pollution, high-performance, multifunctional, and high-value-added. Guided by the concept of green and environmentally friendly development, we aim to achieve high-quality and sustainable development for our enterprise, and provide a safe, comfortable, and beautiful living environment for society.
Specification
| Item | Typical Value |
| Appearance | Liquid, pale to light yellow |
| Ionicity | Anionic / nonionic depending on grade |
| pH (1% solution) | 4.0 - 7.0 |
| Active content | 20% - 40% |
| Dosage | 0.5 - 3 g/L depending on dyeing process |
| Temperature | 80 - 100 C depending on nylon type |
| pH stability | Stable in weakly acidic to neutral bath |
| Solubility | Easy to dilute with water |
| Compatibility | Compatible with common acid dyeing and fixing auxiliaries |
| Shelf life | 12 months in sealed drum |
| Storage | Store in cool, dry place, avoid direct sunlight |
| Packing | 120 kg drum, 1000 kg IBC, custom packing available |
Values are typical and vary by nylon type, dye class and process. TDS and sample are available on request.
Application
- Nylon 6 and nylon 66 fabric
- Polyamide blended fabric
- Apparel fabric, swimwear and lingerie
- Home textile and technical textile
- Exhaust dyeing and jet dyeing machines
- Continuous dyeing ranges
- Shade repair for uneven or patchy nylon dyeing
- Programs that require consistent shade on polyamide fabric
It can be used in exhaust dyeing, jet dyeing and continuous dyeing processes, and can be combined with fixing agents in one bath. For mills running both nylon and blended fabric, one supplier can cover several shade control programs.
Advantage
- Improves dye migration and leveling on nylon fabric
- Reduces shade variation, streaks and patchy results
- Grades for leveling, shade repair and deep shade dyeing
- Applicable to nylon 6, nylon 66 and polyamide blends
- Runs in exhaust dyeing, jet dyeing and continuous ranges
- Compatible with common acid dyeing and fixing auxiliaries
- Used in apparel, swimwear and technical textile programs
- Supported by a manufacturer with long-term textile auxiliary experience and university research cooperation
- Export-ready supply and technical support for overseas buyers
For mills that need consistent shade on nylon fabric, this grade reduces the risk of shade variation and improves dyeing consistency across production runs.
Payment & Shipping
- Payment: T/T, L/C at sight, and terms for repeat orders
- Packing: 120 kg drum, 1000 kg IBC, or custom packing
- Lead time: 7 - 15 days after order confirmation
- Shipping: sea, air and express for samples
- Sample: free sample for evaluation, freight collected
- Export support: documentation and shipping coordination for overseas buyers
- MOQ: flexible for trial orders and repeat programs
- Port: main China ports, can be arranged by buyer preference
Flexible terms can be discussed for repeat and long-term programs. If you need help with documentation or shipping arrangements, our export team can support the process.
- Q: What does nylon acid dyeing shade control system do?
- A: It improves dye migration and leveling during nylon acid dyeing, which reduces shade variation, streaks and patchy results.
- Q: Which nylon types are suitable?
- A: It is used on nylon 6, nylon 66 and polyamide blended fabric.
- Q: Can it be used for shade repair?
- A: Yes. There are shade repair grades for uneven or patchy nylon dyeing.
- Q: What is the recommended dosage?
- A: Typically 0.5 - 3 g/L depending on dyeing process. The exact dosage depends on nylon type, dye class and target shade.
- Q: What temperature is recommended?
- A: Typically 80 - 100 C depending on nylon type and process.
- Q: Can it be used in jet dyeing machines?
- A: Yes. It runs in exhaust dyeing, jet dyeing and continuous ranges.
- Q: Can it be combined with fixing agents?
- A: Yes. It is compatible with common acid dyeing and fixing auxiliaries in one bath.
- Q: Can you share test data?
- A: Yes. TDS and test data can be provided for evaluation.
- Q: Do you support technical adjustment for our process?
- A: Yes. Technical support is available on request.
- Q: What is the MOQ and lead time?
- A: MOQ is flexible for trial orders, and lead time is typically 7 - 15 days after order confirmation.
Oct 12 , 2026 
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