Wengfu & Zijin Chemical Industry Co., Ltd. | Leading Phosphates Manufacturer in China

About Wengfu & Zijin

Wengfu & Zijin Chemical Industry Co., Ltd. is the leading manufacturer of Phosphoric Acid, phosphorus compound fertilizers, and fine phosphates in China. As a state-owned holding large-scale phosphorus chemical enterprise, we integrate production, scientific research, and trade into a unified system.

We have achieved multiple internationally and domestically leading technological innovations and hold numerous patents. Recognized as a national green factory and an environmental protection and integrity enterprise in China, we are committed to comprehensive resource utilization and sustainable circular economy practices.

Our Commitment

Leveraging our technological advantages, we are devoted to supplying high-quality phosphate products at competitive prices, aiming to become your long-term trusted partner in China.

Our Products

We manufacture a wide range of high-purity phosphoric acid, food-grade phosphates, and premium fertilizers, meeting international standards for industrial, food, and agricultural applications.

Phosphoric Acid 85% (Food Grade)

High-purity food-grade phosphoric acid for beverage, food processing, and pharmaceutical applications.

CAS: 7664-38-2
Purity: 85% min
Chloride: ≤ 0.0005%
Heavy Metals (Pb): ≤ 0.0005%

Phosphoric Acid 85% (Tech Grade)

Technical grade phosphoric acid for industrial cleaning, metal treatment, and chemical synthesis.

Form: Liquid
Purity: 85% min
Appearance: Clear, colorless to slightly yellow

Sodium Tripolyphosphate (STPP)

Available in both technical and food grades. Used in detergents, water treatment, and food processing.

Grades: Tech & Food Grade
Formula: Na5P3O10
Function: Sequestrant, emulsifier

Sodium Acid Pyrophosphate (SAPP 28)

Food-grade leavening agent used in baking powders and processed foods.

CAS: 7758-23-8
Grade: Food Grade
Function: Acidulant, leavening agent

Tetra Potassium Pyrophosphate (TKPP)

Used in food processing, dairy products, and as a buffering agent.

Formula: K4P2O7
Grade: Food Grade
Function: Emulsifier, stabilizer

Tetra Sodium Pyrophosphate (TSPP)

Used in food, water treatment, and metal surface cleaning applications.

Formula: Na4P2O7
Function: Chelating agent, dispersant

Monoammonium Phosphate (MAP)

High-efficiency nitrogen-phosphorus fertilizer for agriculture.

Type: Fertilizer
N-P-K: 11-52-0
Solubility: High water solubility

Diammonium Phosphate (DAP)

Popular nitrogen-phosphorus fertilizer with excellent agronomic performance.

Type: Fertilizer
N-P-K: 18-46-0
Application: Broad-spectrum crop use

Monopotassium Phosphate (MKP)

High-purity water-soluble fertilizer and food additive.

Formula: KH2PO4
Grade: Fertilizer & Food Grade
Function: Source of K and P

Triple Super Phosphate (TSP)

Concentrated phosphorus fertilizer derived from phosphate rock.

P2O5 Content: ≥ 44%
Type: Fertilizer
Solubility: Water-soluble

MCP (Monocalcium Phosphate)

Feed additive providing calcium and phosphorus for livestock nutrition.

Type: Feed Additive
Function: Mineral supplement

DCP / MDCP / TCP

Dicalcium, Monodicalcium, and Tricalcium Phosphates for animal feed formulations.

Types: DCP, MDCP, TCP
Application: Feed additives
Purpose: Balanced mineral nutrition

Why Choose Wengfu & Zijin?

State-Owned Enterprise

Backed by national support and recognized as a large-scale phosphorus chemical enterprise.

Green Factory

Certified national green factory with sustainable circular economy practices.

High-Quality Standards

Products meet international food, industrial, and agricultural specifications.

Global Exporter

Trusted supplier to clients worldwide with reliable logistics and service.

100,000+

Tons Annual Production Capacity

50+

Countries Served

20+

Years of Industry Experience

Frequently Asked Questions

What is the purity of your Phosphoric Acid?

Our Phosphoric Acid has a minimum purity of 85%, available in both food and technical grades.

Are your phosphates suitable for food applications?

Yes, we offer several food-grade phosphates including STPP, SAPP, TSPP, and TKPP, compliant with international food safety standards.

Do you produce fertilizers?

Yes, we manufacture high-quality phosphorus fertilizers such as MAP, DAP, TSP, and MKP for agricultural use.

What certifications do you hold?

We are listed as a national green factory and recognized as an environmental protection and integrity enterprise in China.

Contact Us

For inquiries about our phosphoric acid, phosphates, and fertilizer products, please reach out through our official website.

Get in Touch

Email: SALES@WENGFU-ZIJIN-CHEM.COM

Address: No.13, Gongye Road, Pingpu Village, Jiaoyang Township, Shanghang County, Longyan City, Fujian Province, China

Visit Official Website

Leading Manufacturer of Phosphoric Acid & Phosphates