China Dongda Industry Co., Ltd | Leading Manufacturer of Fine Chemicals & Blowing Agents

About China Dongda Industry

China Dongda Industry Co., Ltd is a leading manufacturer of soda and fine chemical products based in Kaifeng, Henan Province, China. With a strong research foundation and complete inspection systems, we ensure every product meets the highest standards of purity and performance.

Our main export products include AC Blowing Agent (Azodicarbonamide), Mono-chloroacetic Acid, DPT Blowing Agent, Fumaric Acid, and Chlorinated Paraffin. As a professional chemical company, we are the cooperative partner you can trust forever.

20,000 MT/year production capacity
Exported to Brazil, Germany, Indonesia, and more
Kaifeng Excellent Export Enterprise certified

Established 2005

Trusted by global partners

Our Premium Products

High-purity chemical solutions engineered for performance, safety, and consistency. All products undergo rigorous quality control and meet international standards.

Food Grade ADA (Azodicarbonamide)

High-purity yellow crystalline powder used as a flour treatment agent and blowing agent.

Content: ≥98.6%
Heavy Metal: ≤10ppm
Lead (Pb): ≤5ppm
Nitrogen Content: 47.2–48.7%

Pure ADC (Azodicarbonamide)

Industrial-grade blowing agent with excellent decomposition properties.

CAS No.: 123-77-3
Formula: C₂H₄N₄O₂
Molecular Weight: 116.08
Packing: 25kg bags

Mono-chloroacetic Acid

Key intermediate in pharmaceuticals, agrochemicals, and carboxymethyl cellulose production.

High reactivity and purity
Used in synthesis of herbicides
Stable packaging for safe transport
Global export compliance

DPT Blowing Agent

Efficient foaming agent for rubber and plastic industries with controlled decomposition.

Low odor and residue
Excellent cell structure formation
Compatible with multiple polymers
Consistent performance

Fumaric Acid

Organic acid used in food, resins, and unsaturated polyester production.

High thermal stability
Food and industrial grades available
pH control and acidulant properties
Crystalline powder form

Chlorinated Paraffin

Flame retardant and plasticizer used in PVC, rubber, and coatings.

High chlorine content options
Excellent compatibility
Low volatility
Stable under processing conditions

AC Foaming Agent

Synonym for Azodicarbonamide; widely used in polymer foaming applications.

High gas yield
Uniform cell structure
Processing temperature flexibility
Non-toxic decomposition byproducts

Fine Chemical Intermediates

Custom synthesis and supply of specialty intermediates for industrial processes.

Bespoke manufacturing
Strict quality control
Scalable production
Regulatory documentation support

Why Choose China Dongda?

High Purity

All products meet or exceed international standards with rigorous in-house testing and certification.

Global Supply

Trusted by clients in Brazil, Germany, Indonesia, and other key markets with reliable logistics.

20,000 MT/Year

Large-scale production capacity ensures consistent supply and competitive pricing.

After-Sales Support

Dedicated team for technical support, documentation, and customer satisfaction.

20,000+

MT Annual Capacity

15+

Countries Served

100+

Global Clients

18+

Years in Industry

Frequently Asked Questions

What is Azodicarbonamide used for?

Azodicarbonamide (ADA) is primarily used as a blowing agent in the production of foamed plastics and rubber. It is also used as a flour treatment agent in some countries to improve dough strength and elasticity.

Is your Food Grade ADA safe for use?

Yes, our Food Grade ADA meets strict purity specifications with heavy metal and lead content well below safety thresholds. It complies with food additive regulations where permitted.

What is your minimum order quantity?

Our standard MOQ is 1 metric ton, but we can accommodate smaller trial orders upon request. Packaging is typically in 25kg bags with inner PE lining.

How do you ensure product quality?

We have a dedicated quality inspection center with advanced analytical equipment. Every batch undergoes testing for purity, moisture, heavy metals, and other critical parameters before release.

Can you provide certificates of analysis?

Yes, we provide Certificates of Analysis (COA) for every shipment, along with safety data sheets (SDS) and other required documentation for import compliance.

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About China Dongda Industry