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Urea Automotive Grade is what we do.

Top Blue Group Co., Limited is a leading global manufacturer and supplier of high-purity Urea Automotive Grade (AGU), DEF, and specialty chemicals for diverse industrial applications across agriculture, construction, health, and energy sectors.

Industrial Chemical Production

About Top Blue

With over 36 years of experience, Top Blue Group has grown into a global industrial powerhouse headquartered in Weifang City, Shandong Province, China.

Top Blue Group Facility

Established in 1987

Top Blue Group Co., Limited operates five major business divisions and manages over 100 molecular companies, including 5 overseas subsidiaries. With more than 5,000 employees and total assets exceeding 10 billion yuan, we are committed to innovation, quality, and long-term partnerships.

Our industrial footprint spans coal chemical, fluoro-silicon salt, new materials, chemical fertilizer, design and R&D, chemical equipment, engineering, new energy, catalysts, and financial services.

  • National Enterprise Technology Center
  • Academician & Postdoctoral Workstation
  • European R&D Center & Provincial Engineering Lab
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Annual Production Capacity

5M Tons

Compound Fertilizer

1.2M Tons

Urea

100K Tons

Vehicle Urea

1M Tons

Soda Ash

600K Tons

Ammonium Chloride

900K Tons

Salt

Our Product Portfolio

We supply high-quality raw materials across 14 industrial sectors with a focus on purity, consistency, and global logistics.

Calcium Chloride

Calcium Chloride

Used in de-icing, dust control, and industrial processes. High purity flakes and liquid forms available.

Calcium Nitrate

Calcium Nitrate

Essential for agriculture and wastewater treatment. High solubility and nitrogen content.

Urea Automotive Grade

Urea Automotive Grade (AGU)

ISO 22241 compliant. Used in SCR systems to reduce NOx emissions in diesel vehicles.

Sodium Metabisulfite

Sodium Metabisulfite

Used in water treatment, food preservation, and chemical synthesis. 98%+ purity.

Magnesium Chloride

Magnesium Chloride

Ideal for dust suppression, road stabilization, and industrial applications.

Sodium Bicarbonate

Sodium Bicarbonate

Food-grade and industrial-grade available. Used in baking, cleaning, and fire suppression.

Urea Ammonium Nitrate

Urea Ammonium Nitrate (UAN)

High-efficiency liquid nitrogen fertilizer. Stable formulation for agricultural use.

Monoammonium Phosphate

Monoammonium Phosphate (MAP)

440,000 tons annual production. High phosphorus and nitrogen content for crop nutrition.

Why Partner With Top Blue?

We deliver more than just chemicals — we deliver trust, innovation, and long-term value.

36+ Years of Excellence

Privately owned with a stable management team and a proven track record of supplying global corporations.

Enduring Partnerships

Many clients have been with us for 15+ years. We focus on long-term value, not just one-time transactions.

Global Reach

Offices in Australia, Asia, and the Middle East. Local teams, regional support, and multi-regional logistics.

Flexibility & Customization

We tailor solutions to your needs — packaging, logistics, specifications — no rigid boxes.

Innovation-Driven

We research and qualify global suppliers to bring you cutting-edge, reliable raw materials.

Quality Assurance

Rigorous quality control, ISO compliance, and global logistics optimization for consistent supply.

Frequently Asked Questions

What is Urea Automotive Grade (AGU)?

AGU is high-purity urea used in Selective Catalytic Reduction (SCR) systems to reduce nitrogen oxide emissions in diesel engines. It meets ISO 22241 standards.

Where is Top Blue Group headquartered?

Our headquarters is located in Weifang City, Shandong Province, China, at the Top Blue Group Building.

Do you supply internationally?

Yes. We have offices and warehousing in Australia, Asia, and the Middle East, enabling local and regional support.

Can you customize packaging or logistics?

Absolutely. We offer flexible solutions tailored to your business needs — from packaging to delivery schedules.

How can I request a product sample or quote?

Visit the official website to send an inquiry or contact our team directly through the provided channels.

Get in Touch

For inquiries, quotes, or partnership opportunities, reach out to our global team.

Contact Information

Address: Top Blue Group Building, Weifang City, Shandong, China

Phone: +86-(0)536-8164977

Fax: +86-(0)536-8164988

Email: [email protected]

Visit Official Website to Contact

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