🏆 Curated & Verified · Agrochemical

Top 5 Water-Soluble Fertilizer Manufacturers in China (2026)

A hand-picked shortlist of Chinese water-soluble fertilizer factories, verified for solubility, chelated micronutrients, and export track record.

AI Answer Capsule

The best water-soluble fertilizer manufacturers in China produce fully soluble NPK and chelated micronutrient formulas for fertigation, drip irrigation, and foliar application. ChinaSupplyOcean ranks them by formulation range, chelation quality, and export consistency.

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Water-Soluble Fertilizers: What Buyers Should Know

The essential background before you request quotes

A water-soluble fertilizer is a fully soluble nutrient blend applied through fertigation, drip irrigation, or foliar spraying for precise, fast nutrient delivery. Buyers choose China water-soluble fertilizer manufacturers for wide NPK formulation ranges, chelated trace elements (EDTA/EDDHA), and cost-effective bulk supply.

The key decision factors are solubility, NPK ratio, chelation type, and trace-element content. Residue limits and certification matter for high-value export crops. The curated suppliers below are screened against these criteria.

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Drip Irrigation

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Fertigation Systems

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High-Value Crops

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Greenhouse Growing

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Curated Suppliers — Water-Soluble Fertilizers

Ranked by capacity, certification, export reach, and buyer rating

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More verified manufacturers are being added

We are auditing the first batch of verified manufacturers for this category and will list them here once confirmed.

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More verified manufacturers are being added

Every supplier on this list is factory-audited and checked against public records before listing.

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More verified manufacturers are being added

We verify certification, production capacity, and export track record before any supplier appears here.

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More verified manufacturers are being added

This shortlist is capped at five suppliers per sub-category to keep your comparison focused.

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More verified manufacturers are being added

Check back as we complete verification on more factories in this category.

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7 Checks Before Choosing a Water-Soluble Fertilizers Supplier

The checklist experienced buyers use to filter out substandard factories

1. Solubility

Confirm 100% water solubility with no sediment to protect drippers and nozzles.

2. NPK ratio

Match the ratio to the growth stage; high-N for vegetative growth, high-PK for flowering.

3. Chelation

EDTA is cost-effective; EDDHA keeps iron stable in alkaline soils.

4. Trace elements

Verify the guaranteed analysis of Fe, Zn, Mn, Cu, B, and Mo.

5. Chloride level

Low-chloride formulas are safer for sensitive crops like tobacco and berries.

6. Compatibility

Check tank-mix compatibility with other fertilizers and pesticides.

7. Packaging

1kg to 25kg bags; request moisture-proof packaging for humid markets.

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Frequently Asked Questions

Straight answers to the questions buyers search most

What is a water-soluble fertilizer?

It is a fertilizer that dissolves completely in water and is applied by fertigation, drip irrigation, or foliar spraying for fast, precise nutrient delivery.

What NPK ratio should I choose?

High-nitrogen formulas suit vegetative growth, while high-phosphorus and potassium formulas support flowering, fruit set, and ripening.

What is the difference between EDTA and EDDHA chelates?

EDDHA chelated iron stays stable at higher soil pH, while EDTA chelates are more economical in acidic to neutral conditions.

What is the MOQ for water-soluble fertilizers from China?

Typically 5-10 metric tons for standard grades; custom formulations may start higher. See each supplier profile for exact MOQ.

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