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We Produce Top-Quality Chemicals

Proud manufacturer of optical brighteners, textile auxiliaries, food & nutrition ingredients, intermediates, and specialty chemicals for over 40 years.

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1979

Founded as Jinhua Dye Factory

122,800 m²

Total Plant Area

40+ Years

Industry Experience

Trusted Chemical Manufacturer Since 1979

Sunway Chemicals Co., Limited, formerly known as “Jinhua Dye Factory,” has been a leading manufacturer of high-performance chemicals for over four decades. With a strong foundation in innovation and quality, we specialize in optical brightening agents, textile auxiliaries, food and nutrition ingredients, intermediates, lubricants, bactericides, and metal working fluids (MWF).

Our products are widely used in paper, plastics, daily chemicals, and textile industries — including cotton, polyester, acrylic, and nylon blends. We serve global markets across East Asia, South Asia, North America, and South America with reliable two-week lead times and flexible Incoterms (FOB, CIF, FCA) via Ningbo and Shanghai ports.

ISO 9001:2015 Certified ISO 9001:2015 Certified Quality Management
Sunway Chemicals Plant

Advanced Production Facilities

Dual Manufacturing Sites

Zhejiang Plant (2019)

The newly rebuilt Zhejiang facility supports production from simple to complex formulations. With enhanced infrastructure and expanded capacity, it enables flexible and scalable manufacturing.

  • Modernized production lines
  • Full R&D integration
  • High-capacity output

Ningxia Plant (2017)

Located in the Ningdong Energy & Chemical Base, this large-scale plant specializes in key intermediates such as DSD acid, DNS acid, O-sulfonic acid, dinitroacid, and more.

  • Specialty chemical production
  • Multi-purpose flexible lines
  • Strategic location for logistics
PLC Control System

Intelligent PLC Control

Advanced sensors and digital pipe management ensure precise control over every reactor and pipeline. This eliminates human error, maintains consistent quality, and prevents defects through real-time monitoring and automated regulation.

R&D Laboratory

In-House R&D Laboratory

Each plant is equipped with a fully functional R&D lab staffed by highly educated chemists with deep expertise in fine chemistry. We collaborate long-term with Zhejiang Tech and Industry University to drive innovation.

Capable of handling batches from milligrams to tons, our labs support custom synthesis, formulation development, and application testing to meet specific client requirements.

Efficient Global Logistics

Strategically located near highway access and major sea ports (Ningbo, Shanghai), our warehouse ensures fast, safe, and compliant packaging and shipping to customers worldwide. We maintain strict inventory control and timely dispatch for domestic and international delivery.

Our Product Range

VBL -FB 85

CAS: 12224-06-5

Optical brightener for textiles and paper.

CXT -FB 71

CAS: 16090-02-1

Textile auxiliary with brightening effect.

4BK -FB 113

CAS: 12768-92-2

High-performance whitening agent.

BBU -FB 220

CAS: 16470-24-9

Used in plastic and fiber applications.

OB -FB 184

CAS: 7128-64-5

Fluorescent whitening agent for detergents.

CBS-X FB 351

CAS: 27344-41-8

Specialty brightener for synthetic fibers.

MST -FB 353

CAS: 52301-70-9

Intermediate for dye synthesis.

KSN -FB 368

CAS: 5242-49-9

Used in paper and coating industries.

PF127 -FB 378

CAS: 40470-68-6

Non-ionic surfactant for formulations.

OB1 -FB 393

CAS: 1533-45-5

High-efficiency optical brightener.

Choline Chloride

CAS: 67-48-1

Nutritional additive for animal feed.

Sodium Alginate

CAS: 9005-38-3

Thickener and stabilizer in food & pharma.

View Full Product Catalog

40+ Years of Excellence

1979

Year Founded

122,800

Square Meters of Facility

2

Advanced Production Plants

Global

Markets Served

Frequently Asked Questions

What are your main product categories?

We specialize in optical brighteners, textile auxiliaries, food & nutrition ingredients (e.g., choline chloride, sodium alginate), intermediates (DSD acid, DNS acid), lubricants, bactericides, and metal working fluids.

Where are your manufacturing plants located?

We operate two major facilities: one in Zhejiang (rebuilt in 2019) and another in Ningxia (established in 2017 at the Ningdong Energy & Chemical Base).

Are you ISO certified?

Yes, all our production lines are certified under ISO 9001:2015, ensuring strict quality control and consistent product performance.

What is your typical lead time?

Our standard lead time is two weeks. We support FOB, CIF, and FCA Incoterms, with shipments primarily from Ningbo and Shanghai ports.

Do you offer custom manufacturing?

Yes, our R&D labs and flexible production lines allow us to handle custom synthesis and formulation from milligram to ton-scale batches.

Get in Touch

For inquiries about our products, custom manufacturing, or partnerships, please visit our official website to connect with our team.

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