How should the product be stored and transported?

Store in a dry, cool, airy place away from heat and sunlight. Keep away from moisture, rain, and high temperature during transport and outdoor storage.

What is the minimum humic acid content?

The humic acid content varies by model, ranging from 30% min (GZGT-01) to 60% min (GZGT-04, GZGT-08, GZGT-10).

What payment terms are accepted?

We accept LC, T/T, PayPal, and Western Union as terms of payment.

50% Black Humic Acid for Agriculture

Name: 50% Black Humic Acid for Agriculture
Brand: Jiangxi Green Top Biological Technology Co., Ltd.
SKU: 2114415335

Jiangxi, ChinaJiangxi Green Top Biological Technology Co., Ltd.

US$90.00-120.00

24 Tons

Sample price:US$30.00/piece.Request sample

Product profile

Condition

New

Certification

ISO9001, SGS

Application

Vegetables, Flowers, Fruit, Soil

Model NO.

GZGT-04

State

Powder

Validity

Slow-acting

Physics State

Solid

Chemical Character

Chemical Acid

Raw Material

Leonardite

Type

Commercial Organic Fertilizer

Humic Acid

60%

Organic Matter

85%

Water Solubility

Insoluble

Moisture

25%Max

pH

5.0-9.0

Transport Package

25kg/Bag

Specification

Size 60-80mesh

Trademark

Green Top

Origin

China

HS Code

3824999999

Production Capacity

30mt/Day

Key features

Multiple Application Forms: Available as black powder, balls, and granules in various mesh sizes and diameters.

Certified Quality: Products certified with ISO9001 and SGS standards for reliability and safety.

Wide Crop Compatibility: Suitable for vegetables, flowers, fruits, and general soil improvement applications.

Flexible Humic Content: Humic acid content ranges from 30% to 60% across different models (GZGT-01 to GZGT-10).

Global Distribution: Products distributed to over 20 countries with a strong reputation for quality.

Secure Packaging: Packaged in 25kg net plastic-coated paper bags to ensure product integrity.

Professional Manufacturer: Jiangxi Green Top Biological Technology Co., Ltd. is a professional organic fertilizer supplier.

Company profile

Jiangxi Green Top Biological Technology Co., Ltd.

Jiangxi, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2015-08-11Nearest Port: Xingang PortAverage Response Time: ≤24hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryJiangxi Green Top Biological Technology Co., Ltd. is identified as both a trading company and manufacturer/factory in Jiangxi, China, supplying organic fertilizer-related products such as humic acid, humates, amino acid, fulvic acid, fulvates, and seaweed extract. It reports ISO 9001 and GMP certifications, five production lines, 50 R&D engineers, and 6–10 quality-control staff. The supplier has exported since 2015, reports self-operated import/export rights, and serves markets across multiple global regions. Its stated customer-oriented policies and product-quality commitments are positive, while evidence is insufficient to assess after-sales service, customization, or financial credibility. One Vietnamese buyer is listed, but the available information does not establish the scope or performance of that relationship.

Supplier typeThe supplier is explicitly classified as both a trading company and a manufacturer/factory. Its company description further identifies it as a professional manufacturer and supplier of organic fertilizers, indicating combined manufacturing and trading capabilities.

CertificationsThe supplier reports holding ISO 9001 and GMP management-system certifications. These stated certifications provide explicit evidence of formal quality and manufacturing-management frameworks.

R&D capabilityThe supplier explicitly states that it continuously invests in new products and innovative technologies. It also reports 50 R&D engineers, which supports a substantial stated R&D resource base, although no specific inventions, patents, development projects, or technical results are provided.

Production capacityThe supplier identifies itself as an organic-fertilizer manufacturer and reports five production lines. Its product range covers humic acid, potassium humate, sodium humate, amino acid, fulvic acid, potassium fulvate, and seaweed extract, while stated lead times are one month off-season and within 15 working days during peak season.