How long is the delivery time?

Off-season lead time is within 15 workdays, while peak season lead time is one month.

Does the manufacturer offer OEM services?

Yes, OEM and ODM services are available.

What is the shelf life of the product?

The validity period is 3 years.

High Grade Humate Acid Potassium

Name: High Grade Humate Acid Potassium
Brand: Qingdao Seawin Biotech Group Co., Ltd.
SKU: 771061472

Shandong, ChinaQingdao Seawin Biotech Group Co., Ltd.

US$1.50

10,000 kg

Product profile

Customization

Available

Condition

New

Certification

ISO9001

Model NO.

Humic acid

Application

Vegetables, Flowers, Fruit

State

Powder

Validity

Long-term

Infection On Soil

Physiological Neutral

Chemical Character

Chemical Neutral

Type

Raw Material

Valid

3 Years

Transport Package

Paper Bag

Specification

20kg/bag

Trademark

Seawinner

Origin

Qingdao

HS Code

310590

Production Capacity

50000mt/Year

Key features

High Purity Composition: Contains 70% Humic Acid and 12% K2O with low moisture and insoluble substances.

Versatile Agricultural Use: Suitable for application on vegetables, flowers, and fruit crops.

Neutral Soil Properties: Physiologically neutral and chemically neutral, safe for soil health.

Certified Quality: Manufactured under ISO9001 certification standards for quality assurance.

Custom Packaging Options: Valid for 3 years with customizable packaging solutions available.

Established Manufacturer: Produced by a factory with over 20 years of experience since 2000.

Global Export Capability: Exports to North America, South America, and Europe with FOB/CIF terms.

Flexible Lead Times: Fast delivery within 15 workdays off-season and one month during peak season.

Company profile

Qingdao Seawin Biotech Group Co., Ltd.

Shandong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableExport Year: 2004-06-01 CertifiedNearest Port: Qingdao PortAverage Response Time: ≤18h CertifiedTerms of Payment: LC, T/T, Western Union

AI-Powered supplier vetting

SummaryQingdao Seawin Biotech Group Co., Ltd. is a China-based limited company founded in 2000, with 556 employees and operations in Shandong. It is identified as a manufacturer and processor focused on seaweed fertilizers, organic fertilizers, NPK fertilizers, fertilizer equipment, and related products. The supplier reports more than 10 production lines, a 260,000 m² manufacturing plant, annual seaweed extract and finished-product output of 600,000 tons, and export markets in South America, Europe, and North America. Its agronomist team provides fertilizer solutions and crop-protection advice, while reported certifications include ISO 9001, ISO 14001, ISO 45001, and ECOCERT organic-input certification. The available data supports strong production capability, certification coverage, and technical support. However, evidence is insufficient to confirm customization capability, financial credibility, or established customer cases; the trade records provided show only one transaction per listed buyer.

Supplier typeThe supplier is a limited company founded in 2000 and is explicitly described as a professional manufacturer focused on the exploitation, development, production, and marketing of marine biological products. Its product keywords and manufacturing descriptions identify it as a producer of seaweed fertilizer, organic fertilizer, NPK fertilizer, and fertilizer equipment rather than solely a trading company.

CertificationsThe supplier reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 management-system certificates. Its SEAWINNER organic fertilizers are also stated to be certified by ECOCERT as organic agricultural inputs under both EU and NOP standards, providing explicit evidence of multiple quality, environmental, occupational-safety, and product certifications.

R&D capabilityThe supplier reports 41 years of total R&D-engineer experience and describes development and industrial utilization of marine biological resources. Its agronomist team provides professional fertilizer solutions and crop-protection advice, indicating technical development capability, although the slices do not provide specific R&D projects, patents, laboratories, or newly developed products.

Production capacityProduction capability is strongly supported by 556 employees, more than 10 production lines, a reported 260,000 m² manufacturing plant, two Shandong production bases, and stated annual output of 600,000 tons of seaweed extract and finished products. The supplier also reports lead times of within 15 workdays in off-peak periods and one month during peak periods, further indicating organized manufacturing capacity.