Top 10
China Humic Acid Producer

ShanXi Jinfeng Biotechnology Co., Ltd. is a leading agricultural technology enterprise with 150,000+ tons annual capacity, specializing in Humic Acid, Amino Acid, Seaweed,Crop Protection, and soil solutions with variety in formulations for over 30 global markets.
By having an International Brand called SIRO, we are developing different markets worldwide and our goal is exporting to 30 countries.

A person wearing blue coveralls holds a clay pot filled with soil, standing outdoors against a blurred green background.

World largest Leonardite resource for humic acid

Negotiable, long-term payment is available

The market lowest price is guaranteed

Customized, bulk and small packing is available

150,000 tons/ per year

Strict Quality Control & DCS System

Your Reliable Partner in Agricultural Inputs Since 2007

We offer comprehensive services from R&D and toll manufacturing to global registration support. Our 7-step QA-SOP and Digital Control System (DCS) ensure product excellence and consistent quality for every order.

Core Products

We provide end-to-end solutions from raw material sourcing to finished product delivery, ensuring quality and reliability at every step.

A bag labeled "Siro Humic Acid Raw Material" stands next to a plate of black powder, with corn plants growing in the background.
Humic Acid

Humic Acid is naturally extracted from the mineral leonardite. It is a mixture of macromolecular organic compounds formed after microorganisms...

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Humic Acid Granular

Humic Acid Granular is a natural soil conditioner designed to improve soil structure, enhance nutrient uptake, and boost microbial activity....

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A glass bowl filled with black potassium humate granules sits in front of lush soybean plants, highlighting its use as an organic fertilizer and soil conditioner. Text reads "Potassium Humate Raw Material.
Potassium Humate

Potassium Humate is a premium potassium salt of humic acid, derived from high-grade natural leonardite. Available in black shiny flakes,...

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A package labeled "Siro Fulvic Acid Raw Material" stands next to a bowl of Fulvic Acid Powder, with grapevines and ripening grapes visible in the background.
Fulvic Acid Raw Material

Fulvic Acid is a highly bioavailable, low-molecular-weight fraction of humic acid, extracted from premium leonardite, peat, and weathered coal. Known...

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A bag labeled "Amino Acid Raw Material" stands upright behind a plate containing a mound of white amino acid powder.
Amino Acid Raw Material

Amino Acid products are high-efficiency organic nitrogen sources derived from animal fur (hydrolyzed keratin) or plant-based (soybean) raw materials through...

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A bag labeled "Seaweed Extract Raw Material" sits in front of a cornfield, with a glass bowl showcasing the natural Seaweed Extract placed nearby.
Seaweed Extract Raw Material

Seaweed Extract is a premium organic biostimulant derived from Ascophyllum nodosum, harvested from pristine oceanic environments. Through advanced enzymatic hydrolysis...

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The Right Solution For Farming

We deliver certifed quality and innovative solutions with speed andfnancial flexibility to power your success worldwide.

Certified Quality

Holding multiple provincial and ministerial-level fertilizer registration certificates.

Fast Delivery

15 days for general products, 30 days after sample approval for toll production.

Expert R&D

Our GLP-standard R&D team develops effective and innovative solutions.

Advanced Manufacturing

DCS (Digital Control System) ensures precise and consistent production.

Global Reach

Serving and supporting partners in over 30 countries worldwide.

Flexible Payment

Best payment terms supported by Sinosure facility for financial security.

Streamlined Toll Manufacturing Workflow

From sample approval to bulk delivery, our DCS-controlled production ensures efficiency and consistency.

A person wearing a hat, glasses, apron, and yellow gloves stands in a field holding a wooden crate filled with freshly harvested leafy vegetables.

01

Recipe & Sample Confirmation

Submit your formulation requirements, our R&D team provides samples for approval within 7 days.

02

Quotation & MOQ Confirmation

Transparent pricing with flexible MOQ options for humic acid, fulvic acid, and seaweed extracts.

03

Production & Quality Inspection

7-step QA-SOP enforced during production, with batch testing reports provided.

Core Product Lines & Technical Solutions

SIRO-70

Humic Acid 70% + Fulvic Acid 35% (Flake/Powder)

SIRO Hyper 800

Amino Acid 80%
(Low Chloride Formula)

High-Purity Fulvic Acid
(Chelating Agent)

Testimonials – Growing Together

Trusted by farmers worldwide for proven results and reliable quality.

Its effectiveness in revitalizing ourdepleted soil was beyond expectation.We've seen a rapid enhancement inmicrobial activity and overall soil vitality.

Backy Done Marketing

Once you use our Humic, you will neverforget it, because it is so helpful for rootgrowth and soil improvement.


Rony Palete Marketing

The soil structure has improvedremarkably after using this product.Ourcrop resilience to drought hassignifcantlyincreased, leading to morestable yields.

Roy Martines Marketing

An outstanding organic solution thateffectively enhanced nutrient uptake inour crops.We observed healthier growthand a noticeable improvement in fruitquality.

Backy Done Marketing

A trulyreliable partner for sustainable farming.This fertilizer not only boostecour yields but also contributed to thelong-term health of our farmland..

Rony Palete Marketing

Our Growing Impact

We are committed to enhancing global crop yields andsoil health through our reliable products and services.Our growing production footprint and internationalreach enable us to make a tangible difference inagriculture.

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Global Markets
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Request Technical Documents & Samples

Get product specifications, MSDS, and third-party test reports for humic acid (CAS 1415-93-6) and fulvic acid (CAS 479-66-3).

Everything You Need To Know

clear, straightforward information for a confident purchasing decision.

Yes. We hold lSO 9001, 1S0 14001,and national industrial licenses.OMRland REACH certifcations for specifc markets are in process, ensuring globalcompliance.

Our in-house Technical Control Division and laboratory test every batchfrom raw materials to fnished goods, guaranteeing consistent quality andperformance.

Technical Guides & Market Insights

Access expert knowledge to optimizeyour application and stay ahead in themarket.

Blog

The Science Behind Fulvic Acid: How it Boosts Plant Growth and Soil Health

Blog

Green Thumb Alert: Learn How to Create Amino Acid Fertilizer for Thriving Plants

Blog

From Kitchen to Garden: Creating Amino Acid Fertilizer from Household Ingredients

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