Top 8 Chinese Manufacturers of Phosphate Esters

China dominates the global phosphate ester market — not just in production capacity but in quality, innovation, and export capability. From industrial lubricants to textile chemicals and flame retardants, Chinese manufacturers now set the benchmark for consistency and performance.

The top Chinese phosphate ester manufacturers include leading producers such as Sunzo Foundation Engineering, Taishi Chemical, Chengxing Phosph-Chemicals, Chempower, and several others known for large-scale capacity, strict QC, and global supply networks.

This article highlights eight of the best Chinese phosphate ester producers — their specialties, product range, certifications, and what makes each one a trusted supplier worldwide.

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1. Sunzo Foundation Engineering — Integrated Chemical and Engineering Expertise

Location: Guangdong, China
Core Strength: Industrial-grade phosphate esters, surfactants, and flame retardant additives

Sunzo Foundation Engineering stands out for integrating chemical production with engineering applications. Unlike most manufacturers, Sunzo offers both product formulation and process optimization for clients in:

• Vacuum preloading and ground improvement
• Hydraulic systems and lubricants
• Textile and coating surfactants
• Flame retardant and anti-corrosion additives

Signature Phosphate Esters:

• Triaryl phosphate esters (TCP, IPPP, TPP)
• Acid phosphate surfactant esters
• Alkyl aryl phosphate blends for lubricants
• Custom-modified, eco-friendly phosphate systems

Why It’s Trusted:
Sunzo provides one-stop service — from soil investigation to additive formulation — supported by strong R&D and full export capability to Asia, Europe, and the Middle East.

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

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2. Shandong Taishi Chemical Co., Ltd.

Location: Zibo, Shandong Province
Specialty: Triaryl and alkyl aryl phosphate esters for lubricants and flame retardants

Core Products:

• Tricresyl phosphate (TCP)
• Triphenyl phosphate (TPP)
• Isopropylphenyl phosphate (IPPP)
• Butylphenyl phosphate (BPP)

Highlights:

• Over 30,000 tons annual capacity
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4. Jiangsu Chengxing Phosph-Chemicals Co., Ltd.

Location: Taixing, Jiangsu
Scale: One of Asia’s largest phosphorus chemical producers

Annual Output: Over 100,000 tons of phosphate esters and derivatives

Product Lines:

• Triaryl phosphate esters (TCP, TPP)
• Trialkyl phosphate esters (TBP, TEHP, TEP)
• Phosphoric acid derivatives and plasticizers

Competitive Edge:

• Full vertical integration — from phosphoric acid to final ester production
• Extensive export experience (Europe, India, Middle East)
• Consistent batch-to-batch quality with automated DCS control

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Used widely in flame retardants, PVC plasticizers, and fire-resistant lubricants.

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5. Hangzhou Epsilon Chemical Co., Ltd.

Location: Zhejiang Province
Specialization: Customized phosphate ester formulations

Product Range:

• Acid phosphate esters for metal coatings and adhesion promoters
• Triethyl phosphate (TEP) for solvent systems
• Polyphosphate esters for heat-resistant coatings

Unique Value:

• Offers small-batch R&D-scale production for new material development
• ISO9001 certified with flexible customization capability
• Serves niche markets in adhesives, aerospace coatings, and electronics

Epsilon’s agility makes it a preferred partner for innovation-driven clients needing high-purity custom phosphate esters.

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6. Zhenjiang Jianhe Chemical Co., Ltd.

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Core Business: Lubricant-grade phosphate esters and anti-wear additives

Key Products:

• Isopropylphenyl phosphate (IPPP)
• Tributyl phosphate (TBP)
• Mixed alkyl-aryl phosphate esters

Highlights:

• Expertise in low-acid, color-stable grades
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Parent Company: Israel Chemicals Ltd. (Global presence)
Focus: Advanced phosphorus and flame retardant technologies

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• Fyrol® phosphate ester flame retardant series
• Industrial-grade phosphate esters for coatings and polymers

Advantages:

• Decades of formulation experience
• State-of-the-art R&D center in China
• Products meeting international fire safety standards

ICL China serves electronics, construction, and automotive industries, providing both local production and global supply stability.

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Dive Deeper: Comparing These Manufacturers

Manufacturer	Main Strength	Key Product Types	Export Markets	Customization
cURL Too many subrequests.	Integrated chemistry + engineering	Triaryl, acid, surfactant esters	Asia, EU, Middle East	✅ High
Taishi Chemical	Scale and purity	TCP, TPP, IPPP	Global	✅ Medium
Chempower Chemical	Eco-friendly surfactants	Alkyl phosphate esters	Europe, Asia	✅ High
Chengxing Phosph-Chemicals	Vertical integration	Triaryl, trialkyl	Global	✅ Medium
Epsilon Chemical	Custom formulations	Acid & polyphosphate esters	Niche markets	✅ High
Jianhe Chemical	Lubricant additives	IPPP, TBP	cURL Too many subrequests.	✅ Medium
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Dive Deeper: What to Look for in a Reliable Chinese Phosphate Ester Supplier

When selecting a manufacturer, prioritize long-term stability and regulatory support, not just price.

Checklist:

1. ISO9001, ISO14001, and REACH compliance
2. COA, TDS, and SDS documentation for each batch
3. Continuous esterification and vacuum dehydration processes
4. On-site R&D and application testing
5. Transparent pricing and export logistics support

A reliable partner will provide technical collaboration — not just materials.

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Dive Deeper: Market Trends Driving China’s Phosphate Ester Industry

1. Green Formulation Focus: Bio-based and halogen-free phosphate esters are replacing traditional halogenated retardants.
2. Hydraulic & Lubricant Growth: Industrial expansion is boosting demand for triaryl and alkyl aryl esters.
3. Export Expansion: China supplies over 45% of global phosphate ester demand.
4. Advanced Integration: Producers now combine vacuum preloading, blending, and packaging systems for high-purity, sandless outputs.
5. Customized Chemical Design: Small- to mid-scale manufacturers like cURL Too many subrequests. offer tailored solutions for coating and surfactant sectors.

These trends position China as the undisputed leader in both production volume and product innovation.

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Final Thoughts

China’s phosphate ester manufacturers are no longer just bulk suppliers — they are technological partners offering advanced formulations, sustainable chemistry, and precision manufacturing.

Whether you need large-scale industrial-grade esters or customized formulations for specific processes, these eight companies represent the best of China’s capability and reliability.

Among them, cURL Too many subrequests. stands out for combining chemical manufacturing with field engineering knowledge — offering true one-stop solutions from formulation to industrial application.

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Contact Sunzo Foundation Engineering
For phosphate ester sourcing, technical formulation, and export support:
📧 Email: dohollchemical@gmail.com
📱 WhatsApp: +86 139 0301 4781