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Frequently Asked Questions about Jinfeng & Siro

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General Frequently Asked Questions

Jinfeng and Siro are humic acid brands worthy of your trust

Shanxi Jinfeng Biotechnology Co., Ltd. is the parent manufacturing company and R&D powerhouse based in China. SIRO is Jinfeng’s dedicated international brand, created specifically to manage and expand its agricultural business across global markets.

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All FAQs That 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.

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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).

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  • Blog

Latest Articles & Blog

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    • 2026-06-11

    80% Amino Acid Fertilizer with Trace Elements: Premium Nutrient Solution for Modern Agriculture

      Abstract This article introduces the high-performance 80% amino acid fertilizer compounded with essential trace elements launched by SIRO AGRI. The product adopts advanced enzymatic hydrolysis technology, featuring high free amino acid content, excellent water solubility and strong chelating capacity. Combined with iron, zinc, manganese, copper and other trace elements, it integrates nutrition supplementation, plant stimulation […]
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            • 2026-06-10

            The Ultimate Fish Amino Acid Fertilizer Handbook: Everything You Need to Know

              Fish Amino Acid (FAA) fertilizer is a potent organic supplement for plants, derived from fermented fish waste. It offers a rich source of nitrogen, phosphorus, potassium, and a wide array of micronutrients, as well as crucial amino acids, which are the building blocks of proteins. Essentially, FAA acts as a readily available, pre-digested nutrient banquet […]
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                    • 2026-06-08

                    Maximize Your Harvest with Amino Acid Liquid Fertilizer: Tips and Tricks

                      Amino acid liquid fertilizer can significantly enhance your crop yields and overall plant health. By providing plants with readily available organic building blocks, it supports robust growth, improved nutrient uptake, and enhanced resilience to environmental stressors, ultimately leading to a more abundant harvest. Understanding Amino Acid Liquid Fertilizer Amino acid liquid fertilizers are organic solutions […]
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