Products in Fertilizers

Crystalline ammonium sulfate fertilizer produced in Iran
Ammonium sulfate
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Finely ground yellow powder sulfur sourced from private Iranian plants, ready for export.
Powder Sulfur
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High-purity Iranian Granular Sulfur exported by Call2Supply – premium sulfur granules for fertilizer and industrial use.
Granular Sulfur
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High-purity Iranian Lump sulfur – bright yellow sulfur chunks ready for export by Call2Supply
Lump Sulfur
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High-quality Bentonite Sulfur granules – yellow sulfur pellets blended with bentonite clay for agricultural use, supplied by Call2Supply
Bentonite sulfur
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Industrial Prilled Urea 46% Low Biuret Technical Grade for AdBlue production
Industrial Prilled Urea 46%
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Agricultural prilled urea 46% nitrogen fertilizer granules close-up view
Agricultural Prilled Urea 46%
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Agricultural Granular Urea 46% supplied by Call2Supply for bulk export
Agricultural Granular Urea 46%
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Category Description

Sulfur is an essential nutrient in fertilizers, vital for amino acid and protein synthesis and chlorophyll formation. Deficiencies can cause yellowing leaves, stunted growth, and reduced yields. Sulfur fertilizers, such as ammonium sulfate or elemental sulfur, undergo oxidation in soil before plants can absorb them. At CALL2SUPPLY, we provide high-quality sulfur in various grades with competitive pricing, ensuring reliable supply for optimal crop health.

Why Us


●Direct sourcing
●Rational pricing
●Flexible logistics
●Consist quality

Category Description

Sulfur is an essential nutrient in fertilizers, vital for amino acid and protein synthesis and chlorophyll formation. Deficiencies can cause yellowing leaves, stunted growth, and reduced yields. Sulfur fertilizers, such as ammonium sulfate or elemental sulfur, undergo oxidation in soil before plants can absorb them. At CALL2SUPPLY, we provide high-quality sulfur in various grades with competitive pricing, ensuring reliable supply for optimal crop health.

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