A Guide to China’s Leading Phosphate Ester Manufacturers

China has become the global hub for phosphate ester production — supplying industries that span from lubricants and coatings to textiles and plastics. Behind this dominance lies a blend of large-scale capacity, advanced process control, and decades of chemical innovation.

China’s leading phosphate ester manufacturers specialize in triaryl, trialkyl, and alkyl aryl grades for use in lubricants, flame retardants, surfactants, coatings, and hydraulic systems — with global export quality and competitive pricing.

This guide introduces the top phosphate ester producers in China, explaining their core strengths, product categories, and why they’ve earned global recognition.

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1. Why China Dominates the Phosphate Ester Market

Phosphate esters play vital roles in modern industries: they act as flame retardants, surfactants, anti-wear agents, and plasticizers. Manufacturing them requires precision — especially in esterification, purification, and blending.

China’s strength comes from integrated supply chains, efficient production technology, and robust R&D across organic phosphorus chemistry.

The country offers:

• Lower raw material costs from local phosphoric acid and alcohol suppliers.
• Strong R&D infrastructure supporting custom formulations.
• High export capacity, with ports like Shanghai, Qingdao, and Ningbo handling large shipments globally.

With domestic demand from textiles, coatings, and construction, Chinese producers continuously innovate to serve both local and overseas markets.

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2. Key Industrial Grades Produced in China

Before exploring the top companies, it’s useful to know what types of phosphate esters dominate Chinese production.

Grade Type	Typical Example	Main Uses	Export Focus
Triaryl Phosphate Esters	Triphenyl phosphate (TPP), Tricresyl phosphate (TCP)	Flame retardants, lubricants	Europe, USA, Japan
Trialkyl Phosphate Esters	Tributyl phosphate (TBP), Triethyl phosphate (TEP)	Solvents, plasticizers	Southeast Asia, India
Alkyl Aryl Phosphate Esters	Isopropylphenyl phosphate (IPPP)	Hydraulic fluids, lubricants	Global
Acid/Neutral Phosphate Esters	Mono-/diesters	Surfactants, coatings	Domestic + export
Modified/Specialty Phosphate Esters	Polymeric, bio-based, halogen-free	Flame retardants, high-performance systems	Growing rapidly

Each of these categories is represented across different Chinese producers — from bulk suppliers to specialized formulation labs.

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3. Sunzo Foundation Engineering — Integrated Vacuum and Chemical Solutions

Location: Guangdong Province, China
Core Products: Industrial-grade phosphate esters, surfactants, flame retardant additives, and custom chemical solutions
Export Regions: Asia, Middle East, Europe

Sunzo Foundation Engineering stands out for combining chemical expertise with engineering integration. Its phosphate ester portfolio supports:

• Vacuum preloading and ground improvement technologies,
• Hydraulic fluid systems,
• Flame retardant additives,
• Textile and coating surfactants.

Strengths:

• Full control from soil investigation → design → chemical supply → monitoring.
• Patented water-gas separation vacuum preloading systems supporting clean manufacturing.
• Custom phosphate ester formulations with balanced fire resistance, stability, and eco-friendliness.

📧 dohollchemical@gmail.com | 📱 +86 139 0301 4781

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4. Shandong Taishi Chemical Co., Ltd.

Location: Zibo, Shandong
Focus: Phosphate esters for industrial lubricants, plasticizers, and flame retardants.
Production Capacity: Over 30,000 tons per year.

Signature Products:

• Triaryl phosphate esters (TCP, TPP)
• Alkyl aryl blends (IPPP series)
• Specialty formulations for aviation lubricants

Their advanced continuous esterification units ensure high purity and low acid content, suitable for export-grade applications. They serve automotive, electrical, and polymer industries globally.

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5. Nantong Chempower Chemical Co., Ltd.

Location: Jiangsu Province
Specialization: Halogen-free flame retardant phosphate esters and performance surfactants.
Export Markets: Europe, Korea, India, and Southeast Asia.

Key Offerings:

• Environmentally friendly alkyl phosphate esters
• Ethoxylated phosphate surfactants for coatings and detergents
• Custom-modified esters for low-foam and anti-corrosion systems

Chempower’s R&D team focuses on low-toxicity, biodegradable formulations to meet global sustainability standards. Their ISO and REACH certifications ensure international compliance.

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6. Hangzhou Epsilon Chemical Co., Ltd.

Location: Zhejiang Province
Core Competency: Tailor-made phosphate esters for coatings, adhesives, and specialty fluids.
Unique Feature: Small-batch precision production for R&D clients.

Major Products:

• Acid phosphate esters for metal coatings
• Triethyl phosphate (TEP) for flame retardant coatings
• Polyphosphate esters for high-performance plastics

Epsilon Chemical is known for its ability to deliver custom formulations in small or medium quantities — ideal for coating developers or pilot-scale research.

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7. Jiangsu Chengxing Phosph-Chemicals Co., Ltd.

Location: Taixing, Jiangsu
Background: One of the largest phosphorus chemical producers in Asia.
Output: Over 100,000 tons of phosphate ester derivatives annually.

Product Range:

• Triaryl and trialkyl phosphate esters
• Phosphoric acid derivatives
• Plasticizers and defoamers

Chengxing’s fully integrated operation — from phosphoric acid production to esterification — gives them unmatched cost efficiency. Their strong export logistics make them a key global supplier.

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8. ICL China (Part of ICL Group)

Location: Tianjin and Shanghai
Parent Company: Israel Chemicals Ltd.
Strength: Advanced phosphorus-based chemistry and halogen-free flame retardant systems.

Key Products:

• Phosphate ester flame retardants (Fyrol® series)
• Specialty phosphorus additives for polymers and coatings

ICL’s Chinese facilities adhere to strict global standards, supplying multinationals in electronics, construction, and transportation.

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9. Zhenjiang Jianhe Chemical Co., Ltd.

Location: Jiangsu Province
Specialization: Phosphate esters and lubricating oil additives.
Export Markets: Middle East, Europe, and Africa.

Products:

• TCP, TPP, IPPP
• Mixed aryl/alkyl phosphate esters
• Solvent-free ester systems

Their emphasis on environmentally safe production and technical service has positioned Jianhe Chemical as a strong supplier for downstream formulators.

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10. Lianyungang Jindun Chemical Co., Ltd.

Location: Lianyungang, Jiangsu
Focus: Fire-resistant hydraulic fluids and high-temperature lubricants.
Capacity: 25,000 tons per year.

Flagship Products:

• Triaryl phosphate esters (TIPP, TCP)
• Blends for aviation-grade lubricants
• Low-odor phosphate plasticizers

Jindun’s automated process lines ensure high consistency in color, viscosity, and acid value — critical for aerospace and mechanical applications.

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Dive Deeper: Evaluating Suppliers Beyond Price

When sourcing phosphate esters in bulk, comparing price alone can be misleading.
Quality, supply stability, and support services play a bigger role in long-term success.

Here’s how to evaluate a potential supplier:

1. Technical Data & Purity Control

• Ask for acid value, color index, and thermal decomposition temperature.
• High-quality esters should have acid values below 0.1 mg KOH/g.

1. Environmental Certification

• REACH, RoHS, and ISO14001 certifications confirm compliance with international safety standards.

1. Production Technology

• Continuous esterification and vacuum purification systems ensure consistent product quality.
• Companies using sandless vacuum and water-gas separation systems (like Sunzo) achieve cleaner synthesis and lower residue.

1. Customization Capability

• Look for suppliers offering adjustments in viscosity, color, and solubility — critical for industrial formulations.

1. After-Sales Technical Service

• Reliable partners provide performance testing, formulation assistance, and field troubleshooting.

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Dive Deeper: Market Trends Driving Chinese Phosphate Ester Production

The phosphate ester industry in China is evolving toward sustainability and high performance:

• Halogen-Free Flame Retardants: Rapid growth driven by green building and electronics safety standards.
• Bio-Based Esters: Development using renewable alcohols from plant oils.
• Smart Integration: Companies are pairing vacuum technology and ground improvement systems with chemical solutions, as seen in Sunzo’s engineering divisions.
• Export Growth: Over 40% of China’s phosphate esters are exported, mainly to Europe and Southeast Asia.

As regulations tighten globally, Chinese producers are shifting from bulk commodity chemicals to custom-engineered additives with traceable quality and improved biodegradability.

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Dive Deeper: Choosing the Right Partner for Long-Term Supply

To ensure consistent quality and service, consider the following when choosing your manufacturing partner:

Evaluation Factor	Why It Matters	What to Look For
Production Scale	Indicates capacity and reliability	Plants >10,000 tons/year
R&D Capability	Enables custom formulations	In-house or university-linked lab
Export Experience	Ensures logistics efficiency	REACH and SDS-ready documentation
Environmental Record	Reflects sustainable operations	Wastewater and VOC control
After-Sales Support	Provides technical assurance	Dedicated customer service team

Selecting a manufacturer that understands both chemistry and your industrial process can drastically improve product performance and reduce downtime.

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Final Thoughts

China’s phosphate ester manufacturers have built a global reputation for quality, flexibility, and affordability. Whether you need triaryl esters for hydraulic systems or acid phosphate esters for coatings, the country offers both scale and specialization.

From integrated innovators like Sunzo Foundation Engineering to large-scale producers like Chengxing and Taishi Chemical, China’s phosphate ester industry continues to shape the future of industrial chemistry.

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Contact Sunzo Foundation Engineering
For sourcing phosphate esters, surfactants, and custom chemical formulations:
📧 Email: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781