Duofen Agriculture Liquid Fertilizer

07/04/2026

Who discovered NPK — and why does it still matter today? 🤔
Q1: What is NPK?
A: Nitrogen, Phosphorus, Potassium — the core of all fertilizers.

Q2: Who made it scientific?
A: Scientist Justus von Liebig proved plants need specific nutrients, not just soil.

Q3: Why is NPK still essential?
A: It directly impacts growth, yield, and crop quality — the foundation of modern agriculture.

Q4: What’s different today?
A: NPK is no longer basic — it’s customized, liquid, and highly efficient.

Q5: What can we do for your business?
A: At Duofen, we provide:
✔ Customized NPK formulations
✔ Liquid fertilizer solutions
✔ Full OEM & ODM support

03/04/2026

Why Choose Us
✅ Strong R&D Strength
National high-tech enterprise, cooperating with Chinese Academy of Sciences & top agricultural universities, with patents & complete fertilizer registration certificates.
✅ Full Product Range
Provide complete liquid fertilizer concentrates: amino acid, humic acid, trace elements, seaweed extract & biostimulants, support custom formulas.
✅ Stable Production & Quality
Large-scale intelligent production base, strict quality control system, reliable raw material supply, fast & stable delivery.
✅ International Certification & Export
Products exported to Europe, Americas, Asia and other countries, with international certifications, quality guaranteed.
✅ Professional Service
16+ years of industry experience, one-stop service from formula design to technical after-sales support.
Would you like to try our free samples? Just DM us!

01/04/2026

🌱 Comprehensive Crop Nutrition Solutions | 20 Years of Manufacturing Excellence

At Shandong Duofen Agriculture, we don't just manufacture fertilizer; we engineer growth. Our integrated product system offers a one-stop solution for modern distributors and farmers worldwide:

✅Functional Liquid Fertilizers: High-purity UAN, Amino Acid, and Humic Acid liquids for rapid absorption.
✅Water Soluble Powders: Full NPK range with superior solubility and zero residue.
✅Advanced Chelation: EDTA/EDDHA Micronutrients ensuring stable nutrient delivery.
✅Tailored Services: Professional OEM/ODM support, including custom formula design and branding.

From the factory floor to the global field, we provide the stability and quality your brand deserves.
Contact us for our 2026 Catalog and Samples.

31/03/2026

🌱 About Duofen Agriculture
Shandong Duofen Agriculture Co., Ltd., established in 2009, is a national high-tech enterprise specializing in liquid fertilizers and water-soluble fertilizers. With 3 production bases, 220,000 tons annual capacity, and 3,200+ mature formulations, we ensure stable supply and flexible production. We are committed to delivering innovative and reliable crop nutrition solutions for global agriculture.

💧 Products & Capabilities
Our main products include:
• NPK Water-Soluble Fertilizer
• Liquid Functional Fertilizers
• NPK Liquid Fertilizer
• Medium & Trace Element Fertilizers
• Biostimulants

🚀 Why Partner With Us
✔ Strong R&D with top institutions (CAS & China Agricultural University)
✔ 44 registered products & 9 invention patents
✔ Trusted by 100+ agrochemical companies worldwide
✔ OEM & ODM full-solution support

📩 Let’s Grow Together
We welcome long-term cooperation with global fertilizer manufacturers and agrochemical companies.
👉 Message us for catalog & free samples!

10/03/2026

27/02/2026

We sincerely invite you to visit us at the China International Agrochemical & Crop Protection Exhibition (CAC 2026).

Date: March 17–19, 2026
Venue: National Exhibition and Convention Center Shanghai
Booth No.: 12G50

During the exhibition, Shandong Duofen Agriculture Co., Ltd. will present our latest liquid water-soluble fertilizers and innovative crop nutrition solutions. It will be a great opportunity to discuss market trends, customized formulations, and potential cooperation for 2026.

24/02/2026

Dear Friends,

We are back to work today (Feb 24th, 2026) after the Chinese New Year holiday.
Thank you for your trust. Welcome to send us your inquiries.
Looking forward to deeper cooperation in 2026.

14/02/2026

Happy Chinese New Year